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40 words

cat
NatureA1
Meaning: A small domesticated carnivorous mammal with fur, a short snout, and retractable claws.
Part of speech: noun
Example: The cat sat on the windowsill, watching the birds.
Category: Nature › Animals
Synonyms:
  • feline
  • kitty
Antonyms: dog
cat burglar
CrimeB2
Meaning: A burglar who enters a building stealthily, often by climbing.
Part of speech: noun
Example: The cat burglar was never caught due to his agility.
Category: Crime › Burglary
Synonyms:
  • thief
  • burglar
cat flap
HomeB1
Meaning: A small door that allows a cat to enter and exit a house freely.
Part of speech: noun
Example: She installed a cat flap so her cat could come and go as it pleased.
Category: Home › Pet Accessories
Synonyms: cat door
CAT scan
MedicineB2
Meaning: A medical imaging technique that uses X-rays to create detailed images of the body.
Part of speech: noun
Example: The doctor ordered a CAT scan to check for any abnormalities.
Category: Medicine › Imaging
Synonyms: CT scan
catabolism
ScienceC2
Meaning: The metabolic process of breaking down molecules to obtain energy.
Part of speech: noun
Example: Catabolism is essential for energy production in the body.
Category: Science › Biochemistry
Synonyms: metabolism
Antonyms: anabolism
cataclysm
NatureC2
Meaning: A sudden and violent event that causes great destruction.
Part of speech: noun
Example: The earthquake was a cataclysm that changed the landscape forever.
Category: Nature › Geology
Synonyms:
  • disaster
  • catastrophe
cataclysmic
NatureC2
Meaning: Relating to or denoting a violent natural event.
Part of speech: adjective
Example: The cataclysmic floods destroyed entire towns.
Category: Nature › Geology
Synonyms:
  • disastrous
  • devastating
catacombs
HistoryC1
Meaning: Underground burial places, often consisting of tunnels and chambers.
Part of speech: noun
Example: The catacombs of Paris are famous for their historical significance.
Category: History › Archaeology
Synonyms:
  • tombs
  • crypts
catafalque
ArtsC2
Meaning: A decorated wooden framework used to support a coffin.
Part of speech: noun
Example: The catafalque was adorned with flowers for the ceremony.
Category: Arts › Funerary
Synonyms: bier
Catalan
LanguageB2
Meaning: A Romance language spoken in Catalonia, Spain.
Part of speech: noun
Example: Catalan is also spoken in parts of France and Italy.
Category: Language › Linguistics
Synonyms: Catalan language
catalepsy
MedicineC2
Meaning: A medical condition characterized by a trance or seizure with loss of sensation and consciousness.
Part of speech: noun
Example: Catalepsy can cause the body to become rigid and unresponsive.
Category: Medicine › Neurology
Synonyms: catatonia
catalogue
BusinessB1
Meaning: A complete list of items, often organized systematically.
Part of speech: noun
Example: She browsed the catalogue to find the perfect book.
Category: Business › Inventory Management
Synonyms:
  • list
  • inventory
catalyse
ScienceC1
Meaning: To cause or accelerate a chemical reaction.
Part of speech: verb
Example: Enzymes catalyse reactions in the body.
Category: Science › Chemistry
Synonyms:
  • accelerate
  • facilitate
catalysis
ScienceC2
Meaning: The acceleration of a chemical reaction by a catalyst.
Part of speech: noun
Example: Catalysis is essential in many industrial processes.
Category: Science › Chemistry
Synonyms: acceleration
catalyst
ScienceC1
Meaning: A substance that increases the rate of a chemical reaction without undergoing any permanent change.
Part of speech: noun
Example: The enzyme acted as a catalyst in the reaction.
Category: Science › Chemistry
Synonyms:
  • accelerator
  • stimulus
catalytic
ScienceC2
Meaning: Relating to or involving a catalyst.
Part of speech: adjective
Example: Catalytic converters help reduce harmful emissions from vehicles.
Category: Science › Chemistry
Synonyms: catalytically active
catalytic converter
TechnologyB2
Meaning: A device in a vehicle that reduces harmful emissions by converting them into less harmful substances.
Part of speech: noun
Example: The catalytic converter is an essential part of modern cars.
Category: Technology › Automotive
Synonyms: emission control device
catamaran
TransportationB2
Meaning: A type of boat with two parallel hulls.
Part of speech: noun
Example: They sailed across the bay on a catamaran.
Category: Transportation › Maritime
Synonyms: double-hulled boat
cataphor
LinguisticsC2
Meaning: A word or phrase that refers to something mentioned later in the text.
Part of speech: noun
Example: In the sentence, 'This is what I mean,' 'this' is a cataphor.
Category: Linguistics
Synonyms: anaphor
cataphora
LinguisticsC2
Meaning: The use of a cataphor in a sentence.
Part of speech: noun
Example: Cataphora can create suspense in writing.
Category: Linguistics
catapult
TechnologyB2
Meaning: A device used to launch an object into the air.
Part of speech: noun
Example: The ancient catapult was used to hurl stones at enemy fortifications.
Category: Technology › Engineering
Synonyms:
  • launcher
  • projectile
cataract
MedicineB2
Meaning: A medical condition where the lens of the eye becomes cloudy, leading to vision impairment.
Part of speech: noun
Example: She had surgery to remove her cataract.
Category: Medicine › Ophthalmology
Synonyms: clouding of the lens
catarrh
MedicineC2
Meaning: Inflammation of a mucous membrane, especially in the nose and throat.
Part of speech: noun
Example: He suffered from catarrh during the winter months.
Category: Medicine › Otolaryngology
Synonyms: mucous membrane inflammation
catastrophe
NatureB2
Meaning: A sudden and widespread disaster.
Part of speech: noun
Example: The earthquake was a catastrophe that affected thousands.
Category: Nature › Geology
Synonyms:
  • disaster
  • calamity
catastrophe theory
ScienceC2
Meaning: A mathematical theory that describes how small changes can lead to sudden and dramatic shifts in systems.
Part of speech: noun
Example: Catastrophe theory is used in various fields, including economics and biology.
Category: Science › Mathematics
catastrophic
NatureC2
Meaning: Involving or causing sudden great damage or suffering.
Part of speech: adjective
Example: The storm caused catastrophic damage to the coastal towns.
Category: Nature › Geology
Synonyms:
  • disastrous
  • devastating
catatonia
MedicineC2
Meaning: A state of unresponsiveness and immobility, often associated with mental illness.
Part of speech: noun
Example: Catatonia can be a symptom of severe psychiatric disorders.
Category: Medicine › Psychiatry
Synonyms: unresponsiveness
catatonic
MedicineC2
Meaning: Relating to or characterized by catatonia.
Part of speech: adjective
Example: The patient was catatonic and did not respond to stimuli.
Category: Medicine › Psychiatry
Synonyms: unresponsive
catbird seat
BusinessC2
Meaning: A position of advantage or control.
Part of speech: idiom
Example: With all the resources at her disposal, she was in the catbird seat.
Category: Business › Negotiation
Idiom: catbird seat
Idiom example:
  • In negotiations
  • being the one with the most information puts you in the catbird seat.
Synonyms: advantageous position
catcall
SocietyB2
Meaning: To shout or whistle at someone to express disapproval or to attract attention.
Part of speech: verb
Example: He was catcalled while walking down the street.
Category: Society › Behavior
Synonyms:
  • holler
  • shout
catch
SportsA1
Meaning: To capture or seize something that is moving.
Part of speech: verb
Example: She tried to catch the ball during the game.
Category: Sports › Games
Synonyms:
  • grab
  • seize
Antonyms:
  • release
  • let go
catch crop
AgricultureC1
Meaning: A crop planted between the harvest of another crop and the next planting.
Part of speech: noun
Example: Farmers often grow a catch crop to maximize their land use.
Category: Agriculture › Crop Management
Synonyms: intercrop
catch on
BusinessB2
Meaning: To become popular or widely accepted.
Part of speech: phrasal verb
Example: The new trend is starting to catch on among teenagers.
Category: Business › Marketing
Synonyms:
  • become popular
  • gain acceptance
catch out
BusinessC1
Meaning: To discover someone doing something wrong or dishonest.
Part of speech: phrasal verb
Example: The manager caught him out for lying about his hours.
Category: Business › Management
Synonyms:
  • expose
  • uncover
catch penny
BusinessC2
Meaning: A trivial or inexpensive item.
Part of speech: noun
Example: The store was filled with catch penny items that were not worth much.
Category: Business › Retail
Synonyms:
  • trinket
  • knickknack
catch up
SportsA2
Meaning: To reach someone or something that is ahead.
Part of speech: phrasal verb
Example: She ran fast to catch up with her friends.
Category: Sports › Games
Synonyms:
  • close the gap
  • reach
Antonyms: fall behind
catch up with
SocialB1
Meaning: To meet someone after a period of time.
Part of speech: phrasal verb
Example: Let's catch up with each other over coffee.
Category: Social › Friendship
Synonyms:
  • reconnect
  • meet
catch-22
LiteratureC1
Meaning: A situation where someone cannot escape due to contradictory rules.
Part of speech: noun
Example: It's a catch-22; you need experience to get a job, but you need a job to gain experience.
Category: Literature › Narrative Structure
Idiom: catch-22
Idiom example:
  • In a catch-22
  • you're stuck no matter what decision you make.
Synonyms:
  • dilemma
  • paradox
catch-all
LanguageB2
Meaning: A term or category that includes many different things.
Part of speech: noun
Example: The term 'catch-all' can refer to various types of expenses.
Category: Language › Terminology
Synonyms:
  • umbrella term
  • general category
catcher
SportsB1
Meaning: A player in baseball who catches pitches thrown by the pitcher.
Part of speech: noun
Example: The catcher is crucial for the team's defense.
Category: Sports › Baseball
Synonyms: receiver

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