Ology Words in English

The scientific study of mites and ticks.

• Acarology helps farmers protect their crops from harmful mites.
• The scientist works in a small acarology laboratory at the university.
• She took a short course in acarology because she loves tiny creatures.

The study of glands and how they work in the body.

• Adenology teaches doctors about the many glands of the human body.
• He read a book about adenology before his biology exam.
• The doctor used her knowledge of adenology to explain the thyroid gland.

The study of tiny living things and pollen that travel through the air.

• Aerobiology is important for people who study allergies and pollen.
• The aerobiology team counted the pollen in the air every morning.
• He learned in aerobiology class that many germs travel in the wind.

The study of the atmosphere and the air high above the earth.

• Aerology uses balloons to measure the air high in the sky.
• She studies aerology to understand clouds and storms better.
• The airport hired an expert in aerology to track the weather for pilots.

The study of grasses and grasslike plants.

• Agrostology helps farmers choose the best grass for their animals.
• The student of agrostology collected grass samples from the field.
• Agrostology is useful for people who manage parks and sports fields.

The study of algae, the simple plants that live in water.

• Algology explains why some lakes turn green in the summer.
• The professor of algology showed us algae under the microscope.
• She became interested in algology during her trip to the sea.

The study and use of medicine that stops pain during operations.

• Anesthesiology is one of the most important fields in modern medicine.
• The hospital has a special anesthesiology team in the surgery room.
• He chose anesthesiology because he wants to keep patients safe and pain free.

The study of angels in religion and stories.

• Angelology looks at what different religions say about angels.
• She read a book on angelology for her history project.
• In angelology classes, students compare stories about angels from many cultures.

The study of the relationship between people and animals.

• Anthrozoology studies why people keep pets in their homes.
• She wants a career in anthrozoology because she loves people and animals.
• Anthrozoology shows that playing with a dog can lower stress.

The scientific study of bees.

• Apiology teaches us how bees make honey and help flowers grow.
• The researcher of apiology followed the bees from flower to flower.
• He joined an apiology club to learn more about bee families.

The scientific study of spiders and similar creatures.

• Arachnology helps doctors understand which spiders are dangerous.
• The arachnology laboratory keeps more than fifty kinds of spiders.
• She studies arachnology even though she used to be afraid of spiders.

The study of human history by digging up old objects and buildings.

• Archaeology helped scientists find the ancient city under the sand.
• The students joined an archaeology camp to learn how to dig carefully.
• He loves archaeology because old objects tell stories about the past.

The study of animal bones and remains found at old sites.

• Archaeozoology shows which animals people kept on their farms long ago.
• The archaeozoology team found animal bones near the ancient wall.
• She uses archaeozoology to learn what people ate in the past.

The study of possible life on other planets and in space.

• Astrobiology asks one big question about life beyond the earth.
• Scientists of astrobiology study the ice on Mars for signs of life.
• She watches documentaries about astrobiology every weekend.

The study of hearing and the treatment of hearing problems.

• Audiology helps children who cannot hear well at school.
• The audiology clinic tested the hearing of the newborn babies.
• He works in audiology and fits people with hearing aids.

The study of bacteria, the very small living things around us.

• Bacteriology teaches students how some bacteria cause sickness.
• The bacteriology laboratory keeps its samples in a cold room.
• She studied bacteriology to learn how yogurt and cheese are made.

The study of healing baths, hot springs, and spa treatments.

• Balneology says that warm mineral water can help tired muscles.
• The town is famous for balneology because of its hot springs.
• He learned about balneology at the health resort in the mountains.

The study of books and how they are made and collected.

• Bibliology includes the history of printing and book design.
• The old library has a small room for bibliology research.
• She took a class in bibliology because she dreams of working with rare books.

The study of living things such as plants, animals, and people.

• Biology was her favorite subject in high school.
• In biology class, we looked at a green leaf under the microscope.
• He wants to study biology at university to become a doctor.

The study of mosses and other small green plants.

• Bryology focuses on the soft green moss that grows on rocks.
• The bryology team walked through the forest looking for rare mosses.
• She learned in bryology that moss does not need much soil to grow.

The study and practice of ringing large bells.

• Campanology is popular in villages with old church towers.
• The visitors learned about campanology during the bell tower tour.
• He joined a campanology group and learned to ring the heavy bells.

The study of the heart and the treatment of heart problems.

• Cardiology uses special machines to see how the heart beats.
• The doctor of cardiology told him to walk every day for a healthy heart.
• She wants to work in cardiology because heart health matters to her family.

The study of fruits and seeds.

• Carpology helps scientists understand how seeds travel to new places.
• The museum of carpology displays seeds from all over the world.
• He studied carpology to learn why some fruits hold many seeds.

The study of whales, dolphins, and porpoises.

• Cetology teaches us how whales talk to each other under the sea.
• The team of cetology watched dolphins from a small boat.
• She reads books about cetology because she loves ocean animals.

The study of where plants, animals, and things are found across the world.

• Chorology explains why some plants grow only on one mountain.
• In chorology lessons, students use maps to mark animal habitats.
• He uses chorology to study how climate changes where plants can live.

The study of natural body clocks and daily rhythms.

• Chronobiology explains why we feel sleepy at night and awake in the morning.
• The chronobiology laboratory studied students who worked late at night.
• She learned from chronobiology that light changes our body clock.

The study of climate and weather patterns over many years.

• Climatology shows that the earth is slowly getting warmer.
• He works in climatology and studies rain records from the last century.
• Climatology helps farmers plan for dry and wet seasons.

The study of seashells and the shells of mollusks.

• Conchology was her hobby long before she became a scientist.
• The children collected shells for their first conchology project.
• The conchology room has shells of every color and shape.

The study of beauty treatments for hair, skin, and nails.

• Cosmetology students practice haircuts in the training salon.
• She finished her cosmetology course and opened a small beauty shop.
• Cosmetology teaches how to care for skin in a safe and healthy way.

The study of crime, criminals, and how to prevent crime.

• Criminology helps police understand why people break the law.
• She studies criminology at university and wants to help young people.
• The criminology class visited the local police station.

The study of how very cold temperatures affect living things.

• Cryobiology helps doctors store blood and body tissue safely.
• In cryobiology, scientists learn how fish survive in icy water.
• The cryobiology team froze the seeds to keep them for many years.

The study of secret codes and how to make and break them.

• Cryptology played a big role during the world wars.
• He loves cryptology and writes secret messages for his friends.
• Banks use cryptology to keep online payments safe.

The study of cells, the tiny building blocks of living things.

• Cytology helps doctors find sickness by looking at single cells.
• In cytology class, we drew pictures of cells seen through the microscope.
• She works in cytology and checks samples in the hospital laboratory.

The study of tree rings used to find the age of trees and old objects.

• Dendrochronology showed that the old house was built two hundred years ago.
• The scientist of dendrochronology counted the rings inside the tree trunk.
• She uses dendrochronology to learn about dry years long ago.

The study of trees and woody plants.

• Dendrology teaches students to name trees by their leaves and bark.
• The dendrology walk in the park was full of tall old trees.
• He takes his dendrology notebook everywhere to write down tree names.

The study of the skin and the treatment of skin problems.

• Dermatology helps people who have dry skin or rashes.
• The doctor of dermatology told her to use sunscreen every day.
• He has a meeting at the dermatology clinic about his allergies.

The study of dialects, the local forms of a language.

• Dialectology shows how the same language changes from town to town.
• The dialectology team recorded old songs in the mountain villages.
• She studies dialectology to understand the special words of her region.

The study of churches and how they are built and used.

• Ecclesiology looks at the beautiful design of old cathedrals.
• The student of ecclesiology drew the plan of the village church.
• He studies ecclesiology to understand the history of church buildings.

The study of how living things live together and share their environment.

• Ecology teaches us why it is important to protect forests and rivers.
• The ecology club cleans the beach every month.
• She studies ecology to learn how pollution changes a lake.

The study of ancient Egypt, its people, language, and culture.

• Egyptology became popular after scientists found the tomb of the young king.
• The museum has an Egyptology room full of statues and old tools.
• She dreams of a career in Egyptology and digging in the desert.

The study of how babies grow inside eggs or their mothers before birth.

• Embryology shows how the heart of a baby starts to beat.
• The embryology lesson used clear pictures of early development.
• He studies embryology because he wants to understand how life begins.

The study of hormones and the glands that make them.

• Endocrinology explains why teenagers grow so fast.
• The doctor of endocrinology checked the thyroid gland of the patient.
• She works in endocrinology and helps people with hormone problems.

The study of puzzles and how to solve them.

• Enigmatology covers crosswords, riddles, and logic games.
• The magazine hired an expert in enigmatology to write its puzzle page.
• He loves enigmatology and designs a new puzzle every week.

The scientific study of insects.

• Entomology helps farmers protect their fields from harmful insects.
• The entomology room has thousands of colorful butterflies in glass boxes.
• She joined the entomology class to learn why bees are so important.

The study of how diseases spread and how to stop them.

• Epidemiology played a key role during the global health crisis.
• The epidemiology team maps every new case of the flu in the city.
• He studies epidemiology to help keep communities healthy.

The study of knowledge and how we know what is true.

• Epistemology asks simple but deep questions about belief and truth.
• In her first philosophy class, she learned about epistemology.
• Epistemology helps scientists think carefully about evidence.

The study of death, the end of the world, and what may come after.

• Eschatology appears in the stories and beliefs of many religions.
• The professor of eschatology compared old prophecies from different cultures.
• He read about eschatology for his essay on ancient beliefs.

The study of the natural behavior of animals.

• Ethology shows how birds learn their songs from their parents.
• The ethology team spent weeks watching wolves in the forest.
• She chose ethology because she wants to understand animal minds.

The study of the causes of diseases.

• Etiology helps doctors find out why a sickness started.
• The etiology of the strange illness was finally traced to dirty water.
• She works on the etiology of allergies in children.

The study of life that may exist beyond our planet.

• Exobiology is another name for the search for life in space.
• The exobiology seminar discussed signals from distant stars.
• He likes exobiology because it mixes biology with space science.

The study of the growth and health of babies before they are born.

• Fetology uses sound waves to check the health of the unborn baby.
• New machines in fetology help doctors see the baby more clearly.
• She studies fetology because she wants to care for mothers and babies.

The study of garbage and what it tells us about people.

• Garbology shows how much food a family really throws away.
• The garbology project taught students about waste and recycling.
• He learned in garbology that old trash can reveal daily life in the past.

The study of the stomach, intestines, and digestion.

• Gastroenterology helps people who often have stomach pain.
• The doctor of gastroenterology suggested smaller meals and more water.
• She chose gastroenterology because the digestive system is fascinating.

The study of gems and precious stones.

• Gemmology teaches how to tell a real diamond from a fake one.
• The gemmology workshop let students hold a real ruby.
• He studied gemmology to work in the family jewelry store.

The study of family history and ancestors.

• Genealogy helped her find relatives in another country.
• The genealogy website showed old photos of his great grandparents.
• They started genealogy as a weekend project for the whole family.

The study of the earth, its rocks, and how it changes over time.

• Geology explains how mountains rise and valleys form.
• The geology students collected rock samples near the river.
• She loves geology because every stone has a story.

The study of the shape of the land and how it was formed.

• Geomorphology explains why this valley is so deep and narrow.
• The geomorphology team maps hills, cliffs, and riverbeds.
• He uses geomorphology to study how rivers change their paths.

The study of aging and the lives of older people.

• Gerontology looks at health, happiness, and care in old age.
• She works in gerontology and organizes activities at the senior center.
• The gerontology class discussed how cities can be friendlier for elders.

The study of glaciers and huge masses of ice.

• Glaciology measures how fast the ice is melting in the mountains.
• The glaciology team camped near the glacier for two weeks.
• He studies glaciology to understand the history of the ice ages.

The study of handwriting and what it may say about a person.

• Graphology compares the size and slant of letters.
• She took a fun evening class in graphology.
• Graphology is sometimes used in old detective stories to study notes.

The study of the health of the female body.

• Gynecology is an important field of medicine for women.
• The hospital opened a new gynecology center last spring.
• She trains in gynecology because she wants to support young mothers.

The study of parasitic worms.

• Helminthology helps farmers keep their animals free of worms.
• The helminthology class studied worms that live in fresh water.
• She reads helminthology papers to learn about parasites in pets.

The study of blood and the treatment of blood problems.

• Hematology laboratories check the blood for many hidden illnesses.
• The doctor of hematology explained the results of the blood test.
• He studies hematology because blood carries many clues about health.

The study of the liver and its diseases.

• Hepatology teaches doctors how to protect this important organ.
• The hepatology unit treats patients with liver problems.
• He chose hepatology after watching a liver operation at the hospital.

The study of reptiles and amphibians, such as snakes and frogs.

• Herpetology takes the team into swamps to count frogs.
• The herpetology center rescues injured snakes and lizards.
• She overcame her fear of snakes through her love of herpetology.

The study of the tiny structure of body tissues.

• Histology uses very thin slices of tissue under a microscope.
• The histology slides were colorful under the strong lens.
• He learned in histology that muscles and nerves look very different.

The study and craft of measuring time and making clocks.

• Horology covers both simple watches and grand tower clocks.
• The horology museum has clocks from the last four hundred years.
• He repairs antique watches, so he studies horology in his free time.

The study of hymns and religious songs.

• Hymnology looks at who wrote the songs sung in churches.
• The hymnology book explains the story behind each famous hymn.
• She studies hymnology because she loves music and history.

The scientific study of fish.

• Ichthyology keeps a record of every fish species in the river.
• The ichthyology team discovered a small bright fish in the lake.
• He takes his ichthyology students to the river to study fish.

The study of symbols and images in art.

• Iconology explains why old paintings show certain birds and flowers.
• The iconology lecture made the museum visit much more interesting.
• She uses iconology to understand the hidden meanings in old art.

The study of the immune system and how the body fights sickness.

• Immunology explains why vaccines keep us safe from some diseases.
• The immunology laboratory studies how the body remembers old infections.
• She chose immunology because she wants to help people with allergies.

The study of human movement and how muscles work together.

• Kinesiology helps athletes train in a safer and smarter way.
• The kinesiology laboratory records how people walk and run.
• He studies kinesiology because he wants to become a sports coach.

The study of the larynx, the part of the throat that makes the voice.

• Laryngology helps singers protect their voices.
• The laryngology doctor examined his sore throat with a tiny camera.
• She studies laryngology to help teachers who talk all day.

The study of butterflies and moths.

• Lepidopterology takes researchers into meadows full of flowers.
• The lepidopterology club keeps a count of butterflies each summer.
• He drew every butterfly he saw for his lepidopterology project.

The study of lakes, ponds, and fresh water.

• Limnology checks the water quality of the town lake every month.
• The limnology class took samples from the small pond behind the school.
• She studies limnology because freshwater animals fascinate her.

The study of the physical character of rocks.

• Lithology describes the color, grain, and layers of each rock.
• The lithology map shows different rock types across the region.
• He uses lithology to match the stones in the old castle wall.

The study of words and word games.

• Logology is a happy place for people who love crosswords and anagrams.
• The logology club invents a new word game at every meeting.
• She writes a fun logology column about palindromes and rhymes.

The study of mollusks, soft animals such as snails and clams.

• Malacology includes both sea snails and land snails.
• The malacology collection has shells from every ocean.
• She studies malacology to learn how clams build their shells.

The study of mammals, animals that feed their young with milk.

• Mammalogy takes the students into the mountains to find bats.
• The mammalogy laboratory studies whales, mice, and everything between.
• He chose mammalogy because he has loved elephants since childhood.

The study of weather and the atmosphere.

• Meteorology gives us the daily forecast on the news.
• The meteorology station measures wind, rain, and temperature.
• She studies meteorology because storms have always excited her.

The study of measurement and the units we use for it.

• Metrology makes sure one kilogram means the same thing everywhere.
• The national metrology laboratory keeps the official measuring standards.
• He works in metrology to calibrate the scales in factories.

The study of very small living things like bacteria and viruses.

• Microbiology showed the world that tiny germs can cause big diseases.
• The microbiology students grew bacteria in small glass dishes.
• She loves microbiology because a whole world hides in one drop of water.

The study of the form and structure of words, plants, or animals.

• In language class, morphology explains how words change their endings.
• Plant morphology compares the leaves of many different species.
• He uses morphology to describe the shape of the new seashell.

The study of music, its history, and its meaning.

• Musicology explores why certain songs make people feel happy.
• The musicology lecture compared folk music from five countries.
• She studies musicology to learn how old instruments were played.

The study of fungi, such as mushrooms and molds.

• Mycology teaches which mushrooms are safe to eat.
• The mycology walk in the forest found more than twenty kinds of fungi.
• He studies mycology because fungi help the forest stay healthy.

The study of ants.

• Myrmecology shows how ant colonies work together like one big family.
• The myrmecology team watched the ants carry leaves to their nest.
• She built a glass ant farm for her myrmecology project.

The study of myths and ancient stories.

• Mythology explains how people long ago described thunder and the sea.
• The mythology class read stories about heroes and monsters.
• She loves mythology because the old tales still shape movies today.

The study and care of newborn babies, especially sick ones.

• Neonatology gives tiny premature babies a strong start in life.
• The neonatology ward is quiet, warm, and full of gentle machines.
• She trains in neonatology because she loves caring for newborns.

The study of clouds.

• Nephology gives beautiful names to the different types of clouds.
• The nephology students lay on the grass and sketched the sky.
• He checks the clouds every morning for his nephology journal.

The study of the kidneys and how they clean the blood.

• Nephrology helps patients whose kidneys do not work well.
• The nephrology doctor told him to drink more water every day.
• She studies nephrology because the kidneys are amazing filters.

The study of the brain, nerves, and nervous system.

• Neurology helps people who have problems with memory or movement.
• The neurology team used a brain scan to find the cause of the headaches.
• He chose neurology because the brain is the most mysterious organ.

The study of the ocean and the life inside it.

• Oceanology uses small submarines to explore the deep sea.
• The oceanology center teaches visitors about coral reefs.
• She studies oceanology to help protect sea animals from plastic waste.

The study of the structure and health of teeth.

• Odontology helps police identify people by their dental records.
• The odontology class studied models of human teeth.
• He works in odontology because strong teeth matter for good health.

The study of wine and wine making.

• Oenology classes visit the vineyards in the warm autumn months.
• The oenology expert can tell the age of a wine by its smell.
• He studied oenology to manage the family winery.

The study and treatment of cancer.

• Oncology combines new research with gentle patient care.
• The oncology nurses are known for their kindness and patience.
• She works in oncology to bring hope to many families.

The study of dreams.

• Oneirology tries to explain why we see strange pictures while sleeping.
• The oneirology laboratory recorded the sleep of volunteers all night.
• She keeps a dream diary for her oneirology class.

The study of what exists and the nature of being.

• Ontology asks deep questions about what is real and what is an idea.
• In philosophy class, ontology was the hardest and most exciting topic.
• He reads about ontology to understand how we describe the world.

The scientific study of the eggs of birds.

• Oology collectors record the size and color of each egg.
• The oology notebook described the nest found in the old oak tree.
• He learned in oology that some eggs are speckled for camouflage.

The study of the eye and the treatment of eye problems.

• Ophthalmology helps children see the blackboard clearly again.
• The ophthalmology clinic gave free eye tests at the school.
• She chose ophthalmology because glasses changed her own life.

The scientific study of birds.

• Ornithology counts the migrating birds every spring.
• The ornithology club meets at sunrise to listen to bird songs.
• He keeps his ornithology guide next to his binoculars.

The study of the ear and hearing.

• Otology explains how sound travels deep into the ear.
• The otology specialist treated the ringing in his ears.
• She studies otology to help children with hearing loss.

The study of the ear, nose, and throat together.

• Otorhinolaryngology has the longest name of any common medical field.
• The otorhinolaryngology doctor treated his ears, nose, and throat in one visit.
• Students joke that spelling otorhinolaryngology is the first exam.

The study of ancient humans through fossils and tools.

• Paleoanthropology found footprints of early humans in old volcanic ash.
• The paleoanthropology team dug for bones in the dry valley.
• She studies paleoanthropology to learn where our ancestors walked.

The study of fossils of plants and animals from long ago.

• Paleontology made the dinosaur world come alive for the children.
• The paleontology museum keeps a huge skeleton in the main hall.
• He joined a paleontology trip and found a fossil shell.

The study of pollen and tiny spores.

• Palynology can show what plants grew near a lake long ago.
• The palynology laboratory helped the police solve a case with pollen clues.
• She studies palynology because pollen tells stories about the past.

The study of strange mind powers that science cannot fully explain.

• Parapsychology tests claims about telepathy and seeing the future.
• The parapsychology laboratory stayed open late for the special experiments.
• He reads parapsychology books with equal parts fun and doubt.

The study of diseases and the changes they cause in the body.

• Pathology laboratories find the true cause of many illnesses.
• The pathology report helped the doctor choose the right treatment.
• She works in pathology and studies samples all day.

The study of soil.

• Pedology shows why some fields grow better crops than others.
• The pedology class dug a small pit to see the layers of soil.
• He uses pedology to help farmers take care of their land.

The study of prisons and how to punish and reform offenders.

• Penology asks how prisons can help people return to society.
• The penology class visited an open prison to learn about its programs.
• She studies penology because she believes in second chances.

The study of rocks and how they are formed.

• Petrology divides rocks into groups by the way they were born.
• The petrology laboratory holds volcanic rocks from many countries.
• He learned in petrology that granite forms slowly under the ground.

The study of medicines and how they act in the body.

• Pharmacology tests new drugs before doctors can use them.
• The pharmacology lecture explained how painkillers work.
• She studies pharmacology because she wants to develop safer medicines.

The study of seasonal changes in nature.

• Phenology records the first flowers and the last frost each year.
• The phenology club notes when the birds arrive in spring.
• He keeps a phenology calendar for the village garden.

The study of old languages and written texts.

• Philology helped scholars read letters written a thousand years ago.
• The philology students compared old poems in two ancient languages.
• She loves philology because words carry history inside them.

The study of veins and their problems.

• Phlebology treats the veins that carry blood back to the heart.
• The phlebology clinic uses gentle laser treatments.
• He works in phlebology to help people with tired legs.

The study of the sound system of a language.

• Phonology explains why some sounds are hard for new learners.
• The phonology class practiced the difference between two close sounds.
• She uses phonology to help students improve their pronunciation.

The study of how light affects living things.

• Photobiology explains how plants turn sunlight into food.
• The photobiology laboratory studies safe amounts of sun for the skin.
• He learned in photobiology that some animals glow in the dark.

The old study of the shape of the head, now known to be incorrect.

• Phrenology was popular in the past but is not real science today.
• The museum keeps old phrenology charts as part of history.
• She wrote an essay about why phrenology was wrong.

The study of algae and seaweeds.

• Phycology explains why the sea sometimes turns red with tiny algae.
• The phycology laboratory grows green algae in tall glass tubes.
• He studies phycology to understand the oxygen made in the ocean.

The study of how the bodies of living things work.

• Physiology explains how the heart pumps and the lungs breathe.
• The physiology students measured their pulse after a short run.
• She loves physiology because it connects the classroom with real life.

The study of fruit and fruit growing.

• Pomology helps gardeners grow sweeter apples and pears.
• The pomology test garden has more than sixty kinds of plums.
• He studied pomology to improve the family orchard.

The study of primates such as monkeys and apes.

• Primatology teams watch gorillas carefully in the misty forest.
• The primatology center rescues monkeys from illegal trade.
• She chose primatology because apes remind her so much of people.

The study of tiny single-celled living things.

• Protozoology looks at life smaller than a grain of sand.
• The protozoology laboratory found strange one-celled swimmers in the pond.
• He studies protozoology to learn which tiny organisms cause sickness.

The study of the mind, feelings, and behavior.

• Psychology explains why we forget names but remember songs.
• The psychology class ran a simple memory test on their friends.
• She studies psychology because she wants to help people feel better.

The study of ferns.

• Pteridology explores the green ferns that love shady forests.
• The pteridology garden has ferns from every continent.
• He learned in pteridology that ferns grow without flowers or seeds.

The study of medical images such as X-rays and scans.

• Radiology lets doctors look inside the body without surgery.
• The radiology team checked the broken arm with a quick X-ray.
• She trains in radiology to read hundreds of scans every week.

The study of how materials flow, like liquids and soft solids.

• Rheology explains why honey pours slowly but water pours fast.
• The rheology laboratory tests how paint spreads on a wall.
• He studies rheology to design a better ketchup bottle.

The study of joint and muscle diseases.

• Rheumatology helps people who wake up with stiff joints.
• The rheumatology doctor suggested gentle swimming exercises.
• She works in rheumatology to ease pain for older patients.

The study of the nose and sinuses.

• Rhinology treats people who cannot breathe well through the nose.
• The rhinology clinic helps patients with seasonal allergies.
• He studies rhinology because the sense of smell is amazing.

The study of earthquakes and the shaking of the earth.

• Seismology measures even the smallest movements under the ground.
• The seismology station recorded the distant earthquake at midnight.
• She studies seismology to help cities build safer houses.

The study of the moon, its rocks, and its surface.

• Selenology grew fast when astronauts brought moon rocks home.
• The selenology club watched the full moon through a big telescope.
• He reads selenology papers about the dark flat areas of the moon.

The study of signs and symbols and their meanings.

• Semiology explains how traffic lights speak without words.
• The semiology class looked for hidden messages in advertisements.
• She uses semiology to study the symbols in old paintings.

The study of blood serum and the substances inside it.

• Serology tests can show if a person once had an infection.
• The serology laboratory processed hundreds of samples this morning.
• He works in serology and checks antibodies in the blood.

The study of the language, history, and culture of China.

• Sinology students learn to read beautiful old Chinese characters.
• The sinology center hosted a festival of Chinese music and food.
• He studied sinology to work as a translator between two worlds.

The study of society and how people live in groups.

• Sociology looks at families, schools, cities, and friendships.
• The sociology students interviewed people at the market.
• She studies sociology to understand why communities change.

The study and exploration of caves.

• Speleology takes brave scientists deep under the mountains.
• The speleology team mapped a cave that no one had entered before.
• She joined the speleology club and learned to climb with ropes.

The study and use of tools, machines, and methods that solve problems.

• Technology classes teach children to build simple robots.
• New technology helps doctors treat patients from far away.
• He studies technology because he loves to fix and improve machines.

The study of birth defects and abnormal development.

• Teratology helps doctors understand what can harm a growing baby.
• The teratology research team studies safe medicine in pregnancy.
• She reads teratology papers to learn how organs form.

The study of death and the way people face it.

• Thanatology also studies grief and how we support each other.
• The thanatology lecture was quiet, gentle, and deeply moving.
• He studies thanatology to improve care at the end of life.

The study of religion and beliefs about God.

• Theology compares the sacred texts of different faiths.
• The theology students debated big questions late into the night.
• She studies theology because she wants to understand belief and meaning.

The study of poisons and their effects on the body.

• Toxicology checks which mushrooms and berries are dangerous.
• The toxicology laboratory tested the water for harmful chemicals.
• He works in toxicology to keep our food and medicine safe.

The study of wounds and serious injuries.

• Traumatology trains doctors to act fast in an emergency.
• The traumatology team treated the hiker after the long fall.
• She studies traumatology because quick care saves lives.

The study of hair and the scalp.

• Trichology helps people who worry about hair loss.
• The trichology clinic suggested a gentle new shampoo.
• He studied trichology to understand the growth cycle of hair.

The study of types and groups of similar things.

• Typology helps archaeologists sort old pottery into families.
• The typology chapter grouped the buildings by their design.
• She uses typology to organize hundreds of leaf shapes.

The study of reports about unidentified flying objects.

• Ufology collects stories and photos of strange lights in the sky.
• The ufology club met to discuss the famous old film.
• He enjoys ufology as a fun mix of science and mystery.

The study of cities and how they grow and change.

• Urbanology asks how to make cities greener and quieter.
• The urbanology class mapped the busiest streets of the town.
• She studies urbanology to design better public spaces.

The study of the urinary system and the removal of waste from the body.

• Urology helps patients who have kidney or bladder problems.
• The urology department treats people with kidney stones.
• He trains in urology to become a skilled surgeon.

The study of vaccines and how they protect the body.

• Vaccinology helped end some of the most terrible diseases in history.
• The vaccinology team worked day and night on the new vaccine.
• She chose vaccinology because prevention is better than cure.

The study of flags and their history.

• Vexillology explains the stars and stripes of each flag.
• The vexillology museum hangs flags from two hundred countries.
• He designed a simple flag for his vexillology project.

The study of crime victims and how to support them.

• Victimology looks at how communities can help people after a crime.
• The victimology course trains students to listen with care.
• She studies victimology to improve support centers in the city.

The study of viruses and the sicknesses they cause.

• Virology laboratories work carefully behind strong safety doors.
• The virology team tracked the new virus across the world.
• He studies virology because tiny viruses can change history.

The study of volcanoes and hot melted rock.

• Volcanology watches the sleeping giant under the island.
• The volcanology team wore silver suits near the crater.
• She studies volcanology to warn people before an eruption.

The study of wood and its structure.

• Xylology explains why oak is strong and pine is light.
• The xylology laboratory tests wood for building safe furniture.
• He studies xylology because every piece of wood has hidden rings.

The study of animals and their lives.

• Zoology takes students from the deep sea to the high mountains.
• The zoology museum has skeletons of animals big and small.
• He chose zoology because he wants to protect wild animals.

The study of fermentation, the process that makes bread and other foods.

• Zymology explains how yeast turns sugar into bubbles.
• The zymology class baked bread with a live yeast culture.
• She studies zymology to create new flavors in the kitchen.