chemistry
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN English BN Bengali HI Hindi ES Spanish FR French DE German RU Russian ZH Chinese JA Japanese
All Vocabulary Cards All Vocabularies
B1 noun /ˈkɛmɪstri/

chemistry

Meaning
the branch of science that studies substances and their interactions; also the emotional connection between people
Example
They have great chemistry and work well together.
C1 noun /kɑːrˈtɒɡrəfər/

cartographer

Meaning
A person who makes maps.
Example
The cartographer carefully drew the map of the new territory.
B2 noun /kənˈspɪrəsi/

conspiracy

Meaning
A secret plan by a group to do something unlawful or harmful.
Example
The police uncovered a conspiracy to overthrow the government.
C1 adjective /ˈkɑːr.di.æk/

cardiac

Meaning
Relating to the heart.
Example
The patient was admitted with a cardiac condition.
C1 adverb /ˈkrɒswaɪz/

Crosswise

Meaning
in the form of a cross; diagonally across
Example
Place the logs crosswise to build a stable fire.
C1 verb /kɑːrp/

carp

Meaning
to complain or find fault continually, often about trivial matters
Example
She tends to carp about the smallest inconveniences.
C2 verb /kruːn/

croon

Meaning
to sing or hum in a soft, low, and gentle voice
Example
She crooned a lullaby to help the baby fall asleep.
C1 noun /ˈkɑːrtɪlɪdʒ/

cartilage

Meaning
A firm, flexible connective tissue found in various parts of the body such as joints, ear, and nose.
Example
The doctor explained that the injury damaged the cartilage in his knee.
B2 noun /ˈtʃɪk piː/

Chick pea

Meaning
round beige legume; protein-rich pulse used in various dishes
Example
Soak the chick peas overnight before cooking them for better digestion.
C1 verb /ˈkriːmeɪt/

cremate

Meaning
to burn a dead body to ashes as a funeral rite
Example
According to his wishes, they cremated his body after the funeral.
C2 verb /kædʒ/

cadge

Meaning
To beg or obtain something, especially food or money, without paying for it.
Example
He tried to cadge a free meal from the restaurant.
A2 verb /tʃɪər/

cheer

Meaning
to shout in encouragement or support; to make someone feel happier
Example
The fans cheered loudly when their team scored a goal.
C2 noun /ˌkɑːrt ˈblɑːnʃ/

carte blanche

Meaning
complete freedom to act as one wishes
Example
The manager gave her team carte blanche to design the project.
B1 noun ˈtʃɑː.dʒɪŋ

charging

Meaning
The process of supplying electrical energy to recharge a battery or power source.
Example
Electric vehicle charging stations are increasing in cities.
B1 noun /kəˈsiːnoʊ/

casino

Meaning
a place where people gamble and play games of chance
Example
They spent the evening playing cards at the casino.
C1 adjective /ˈkælkjʊleɪtɪŋ/

calculating

Meaning
acting in a scheming and ruthlessly determined way
Example
He had a cold and calculating approach to business.
C2 noun /ˈkɒmɪti/

comity

Meaning
Courtesy and considerate behavior towards others; mutual respect.
Example
The meeting was conducted with comity and respect.
A2 noun /kæmp/

Camp

Meaning
a place where soldiers live temporarily; a place with tents or huts for temporary accommodation
Example
The military established a camp near the border.
B2 noun /ˈkɒm.ɪt/

Comet

Meaning
a celestial object consisting of ice and dust that develops a tail when approaching the sun
Example
Halley's Comet appears in the sky every 76 years.
B1 adjective /kəˈlɛktɪd/

collected

Meaning
calm and in control of oneself
Example
She remained calm and collected during the crisis.
B1 noun /kɑːrt/

Cart

Meaning
a wheeled vehicle for carrying goods; a shopping cart
Example
The farmer loaded hay onto his cart.
A2 noun /kæp/

Cap

Meaning
a head covering with a visor; a protective covering
Example
He wore a baseball cap to protect himself from the sun.
C2 verb /ˌsɜːrkəmˈnævɪɡeɪt/

circumnavigate

Meaning
to travel all the way around something, especially the earth
Example
Magellan was the first to circumnavigate the globe.
B1 adjective /ˈtʃɑːr.mɪŋ/

charming

Meaning
Very pleasing or delightful in a way that attracts people.
Example
The village is full of charming little houses.
B2 noun /ˈsen.tɪ.piːd/

Centipede

Meaning
a long thin creature with many legs that lives in dark places
Example
I found a centipede crawling under the rock.
B2 noun /ˈkæs.ər.oʊl bɑːks/

Casserole box

Meaning
a covered dish used for cooking and serving food, especially baked dishes
Example
The casserole box kept the food warm during the dinner party.
B1 noun /ˌkɒn.trɪˈbjuː.ʃən/

contribution

Meaning
A gift or payment to a common fund or collection.
Example
His contribution to the project was vital.
C2 adjective /kəˈkɒfənəs/

cacophonous

Meaning
Producing a harsh, discordant mixture of sounds.
Example
The cacophonous sounds of the city kept her awake all night.
C1 noun /kəˈlɪɡrəfi/

calligraphy

Meaning
The art of beautiful and decorative handwriting.
Example
She took a course to improve her calligraphy skills.
C2 noun /ˌkæl.sɪ.fɪˈkeɪ.ʃən/

calcification

Meaning
The process of calcium accumulation in soil, making it hard.
Example
Calcification reduces soil permeability and affects crop growth.
B2 verb /kəˈmɛns/

commence

Meaning
to begin or start something
Example
The ceremony will commence at noon.
B2 noun /kɜːrl/

Curl

Meaning
a piece of hair that curves or coils; something with a spiral or curved shape
Example
She had beautiful natural curls that framed her face perfectly.
B2 noun /kəˈrʌp.ʃən/

Corruption

Meaning
dishonest or fraudulent conduct by those in power; the process of decay or decomposition
Example
The government launched a campaign to fight corruption in public offices.
B2 verb /kəˈrɛspɒnd/

correspond

Meaning
to communicate by exchanging letters or messages
Example
I correspond regularly with my old friends.
B2 adverb /kənˈtɪnjuəli/

Continually

Meaning
without stopping; repeatedly
Example
She continually checked her phone for messages.
B2 noun /ˈtʃɒp.ər/

Chopper

Meaning
a tool with a heavy blade for chopping wood; a helicopter
Example
The lumberjack swung the chopper to cut down the tree.
B1 noun /ˈkʌˈs.təm/

Custom

Meaning
a traditional practice or behavior; duties levied on imports; habitual practice
Example
It is a local custom to remove shoes before entering someone's home.
C2 noun /ˈkænə/

Canna

Meaning
a tropical flowering plant with large, colorful flowers and broad leaves
Example
The bright orange canna lilies grew tall beside the pond.
C2 noun /ˈkreɪniəm/

cranium

Meaning
the skull, especially the part enclosing the brain
Example
The archaeologists carefully examined the ancient cranium.
C1 noun /koʊˈɜː.ʃən/

coercion

Meaning
The practice of persuading someone to do something by using force or threats.
Example
Cybercriminals use coercion to extract information.
C1 verb /ˈkrʌmpəl/

crumple

Meaning
to crush something into folds or wrinkles
Example
He crumpled the paper and threw it in the bin.
B1 adjective kəˈmɜː.ʃəl

commercial

Meaning
Concerned with or engaged in commerce; having profit as a primary aim rather than artistic or other value.
Example
Commercial hubs attract investments.
C1 verb /ˈsɪvɪlaɪz/

civilize

Meaning
to bring a society or group to a more developed, organized, or socially acceptable state; to educate and refine behavior
Example
Education can help civilize communities by promoting shared values and respect.
C1 noun /ˈkoʊmə/

coma

Meaning
A deep state of prolonged unconsciousness caused by illness or injury.
Example
The patient remained in a coma for several weeks.
C2 adjective /ˈkæp.ʃəs/

Captious

Meaning
tending to find fault or raise petty objections; fault-finding; critical
Example
His captious remarks about every small detail made the meeting very unpleasant.
C2 adjective /ˈtʃɜːrlɪʃ/

churlish

Meaning
Rude in a mean-spirited and surly way.
Example
It would be churlish to refuse her kind invitation.
B2 verb /kəmˈpraɪz/

comprise

Meaning
To consist of or be made up of something.
Example
The committee comprises five members.
C2 noun ˌsɜːkəmˈspekʃən

circumspection

Meaning
The quality of being wary and unwilling to take risks; prudence.
Example
His circumspection ensured no mistakes were made.
C1 noun /ˈkæn.ə.pi/

canopy

Meaning
The upper layer of a forest formed by the crowns of trees; overhead cover.
Example
The rainforest canopy provides shelter to many birds and insects.
B2 verb /kənˈfɜːr/

confer

Meaning
to discuss something important or to grant or bestow something
Example
The committee will confer to decide on the new policy.
C1 noun /ˈkliː.vər/

Cleaver

Meaning
a heavy knife with a broad blade used for chopping meat or vegetables
Example
The chef used a cleaver to chop the chicken bones.
C2 noun /ˈkæbəˌlɪzəm/

cabalism

Meaning
The doctrines, practices, or secretive dealings of a cabal.
Example
The historian wrote extensively about cabalism in the royal court.
A2 noun /koʊt/

Coat

Meaning
an outer garment worn over other clothes for warmth or protection
Example
He put on his winter coat before going outside.
C1 noun kəmˈpleɪ.sən.si

complacency

Meaning
Excessive self-satisfaction with one's achievements that can hinder progress.
Example
His complacency led to a decline in his performance.
A2 noun /klɔːθ/

Cloth

Meaning
woven or felted fabric made from wool, cotton, or a similar fiber
Example
The tailor cut the cloth into precise pieces.
C1 noun kənˈɡlɒm.ər.ət

conglomerate

Meaning
A large corporation formed by the merging of separate and diverse firms.
Example
The company grew into a multinational conglomerate.
C1 noun /krɪˈden.ʃəl/

credential

Meaning
a qualification, achievement, or aspect of a person's background used to indicate suitability for something
Example
She presented her credentials before starting the new job.
A2 verb /kjʊər/

cure

Meaning
to make someone healthy again after an illness
Example
The new medicine cured her of the infection.
B1 verb /kənˈvɪns/

convince

Meaning
to make someone believe or feel certain about something
Example
She convinced him to attend the meeting.
C2 noun /ˈkoʊdə/

coda

Meaning
the concluding passage of a piece of music or a literary work
Example
The novel ends with a reflective coda that ties up the themes.
C1 noun/verb /ˈkætəpʌlt/

catapult

Meaning
A device for launching objects at high speed; to hurl or launch something suddenly.
Example
The invention catapulted him to international fame.
C1 adjective /kənˈtraɪvd/

contrived

Meaning
artificial or forced; not natural or spontaneous
Example
The ending of the movie felt contrived and unrealistic.
C2 noun /kəˈrɑːləri/

corollary

Meaning
a direct or natural consequence or result
Example
One corollary of the new policy was increased public awareness.
A2 noun /ˌsɛlɪˈbreɪʃən/

celebration

Meaning
a festive event or activity to honor an occasion
Example
The city held a grand celebration on Independence Day.
C1 noun /kənˈtɪn.dʒən.si/

contingency

Meaning
A provision for an unforeseen event or circumstance, especially in financial planning.
Example
The company has a contingency plan for economic downturns.
C1 noun /kɒzˈmɒlədʒi/

cosmology

Meaning
the science of the origin and development of the universe
Example
She studied cosmology to understand the origins of the universe.
C2 adjective /ˈkoʊməˌtoʊs/

comatose

Meaning
In a state of deep unconsciousness, resembling or related to coma.
Example
The comatose patient was kept under constant observation.
C1 noun /kəˈmɪtl̩/

committal

Meaning
The action of sending a person to prison or a mental hospital; also the act of committing something to a particular place.
Example
The judge ordered the committal of the accused to custody.
B1 noun /ˌkɒmbɪˈneɪʃən/

combination

Meaning
The act of joining or mixing two or more things together.
Example
This dish is a perfect combination of sweet and spicy flavors.
B1 adjective /ˈkʌtɪŋ/

cutting

Meaning
sharp or severe, often used to describe remarks or actions
Example
Her cutting remarks made everyone feel uncomfortable.
B2 verb /klæʃ/

clash

Meaning
to come into conflict or collision with something or someone.
Example
The two cars clashed in the intersection.
A2 noun /ˈkɒlɪdʒ/

college

Meaning
An educational institution where students study for degrees or professional qualifications.
Example
She hopes to attend college in the city next year.
C1 noun /kəˈpɪl.ər.iz/

capillaries

Meaning
Any of the fine branching blood vessels that form a network between the arterioles and venules.
Example
Broken capillaries cause dark circles.
A2 noun ˈkæm.pɪŋ

camping

Meaning
Living outdoors temporarily, especially for recreation; staying in a tent or similar shelter.
Example
Many families go camping during holidays.
B1 verb /kæst/

cast

Meaning
to throw; to choose actors for a play; to shape metal
Example
The fisherman casts his line into the water.
C2 noun /ˌkɒzməˈpɒlɪtənɪzəm/

cosmopolitanism

Meaning
the ideology that all human beings belong to a single community
Example
Cosmopolitanism promotes respect and understanding across cultures.
C1 noun /ˈkɑːrdəməm/

Cardamom

Meaning
aromatic seeds from a plant in the ginger family, used as a spice
Example
The recipe calls for a pinch of ground cardamom.
C2 noun /kəˈræf/

carafe

Meaning
a glass container without handles used for serving drinks like water or wine
Example
The waiter brought a carafe of water to the table.
C1 adjective /ˈkɒɡ.nɪ.zənt/

cognizant

Meaning
Having knowledge or being aware of something.
Example
He was cognizant of the risks before starting the project.
C2 noun /ˈkriːməri/

creamery

Meaning
a place where milk and cream are processed and dairy products are made
Example
The local creamery produces fresh butter and cheese daily.
B1 noun /ˈklaɪ.mət/

climate

Meaning
The weather conditions prevailing in an area in general.
Example
Climate change impacts all regions globally.
B2 noun /ˈtʃeɪmbər/

chamber

Meaning
a large room used for formal or public events, or a private room.
Example
The king held meetings in his private chamber.
B1 noun /kəʊˌɒp.ərˈeɪ.ʃən/

cooperation

Meaning
The process of working together to the same end.
Example
Cooperation ensures effective problem-solving.
B1 noun ˈkɒn.fər.əns

conference

Meaning
A formal meeting of people with a shared interest, typically one that takes place over several days.
Example
The climate conference emphasized renewable energy.
C1 noun /ˈkɒlərə/

cholera

Meaning
An infectious disease of the small intestine causing severe vomiting and diarrhea.
Example
The village suffered an outbreak of cholera after the flood.
C2 adjective /kɔːrˈpɔːriəl/

corporeal

Meaning
relating to the physical body; material or tangible
Example
Ghosts are often described as having no corporeal form.
C1 adjective /kənˈteɪ.dʒəs/

Contagious

Meaning
likely to spread to and affect others; infectious
Example
Her laughter is contagious and makes everyone smile.
B2 noun /kɔːrd/

cord

Meaning
a long, thin, flexible string or rope
Example
He tied the package with a strong cord.
A2 noun /ˈkæb.ɪdʒ/

Cabbage

Meaning
a cultivated plant eaten as a vegetable, having thick green or purple leaves surrounding a spherical heart
Example
She chopped the fresh cabbage to make coleslaw for dinner.
C2 verb /kənˈdjuːs/

conduce

Meaning
To help bring about a particular result; to contribute to something.
Example
Regular exercise conduces to better health.
A2 verb /ˈkænsəl/

cancel

Meaning
to decide that something planned will not take place
Example
The flight was canceled due to heavy rain.
B2 noun ˌkɒm.prɪˈhɛn.ʃən

comprehension

Meaning
The ability to understand something; understanding or grasp of knowledge.
Example
Reading improves vocabulary and comprehension skills.
B1 noun /ˈtʃɪl.i/

Chilly/Chilli

Meaning
noticeably cold; a hot-tasting pod of a variety of capsicum, used as a spice
Example
The chef added red chilli to make the curry spicier.
C1 noun kəˈlɛktɪvɪzəm

collectivism

Meaning
The practice or principle of giving a group priority over each individual in it.
Example
Collectivism emphasizes the importance of group over individual interests.
C2 noun /ˈkætəˌklɪzəm/

cataclysm

Meaning
A sudden and violent event that causes great destruction or upheaval.
Example
The earthquake was a cataclysm that reshaped the city.
B1 noun /kluː/

clue

Meaning
a piece of evidence or information used in the detection of a crime or solving a puzzle
Example
The detective found a clue near the window.
C2 noun /ˈkɒntrəriz/

contraries

Meaning
things that are completely different or opposite to each other
Example
Freedom and slavery are contraries in every sense.
B2 noun /kəˈmændər/

Commander

Meaning
a person in authority over a military unit; leader of armed forces
Example
The commander ordered his troops to advance.
B1 adjective /ˈtʃɪli/

chilly

Meaning
uncomfortably or unpleasantly cold
Example
It was a chilly morning in December.
B1 noun /krɒp/

crop

Meaning
plants that are grown and harvested for food or other use
Example
The farmers harvested their rice crop in autumn.
C2 noun /ˈkloʊðiər/

clothier

Meaning
a person or company that makes, sells, or deals in clothes.
Example
The town’s clothier displayed fine suits in his shop window.
C2 adjective /sɛnˈsɔːriəs/

censorious

Meaning
severely critical of others
Example
She was always censorious about her colleagues' mistakes.
B2 noun /ˈkænvəs/

canvas

Meaning
A strong, coarse cloth used for tents, sails, or painting.
Example
The artist prepared a canvas for his new painting.
C2 noun /ˈtʃælɪs/

chalice

Meaning
A large cup or goblet, typically used for drinking wine in religious ceremonies.
Example
The priest lifted the golden chalice during the ceremony.
C2 noun /ˌkɔːrnjuˈkoʊpiə/

cornucopia

Meaning
an abundance or overflowing supply of something
Example
The festival offered a cornucopia of fruits and sweets.
B2 adjective /ˈsɪvɪk/

civic

Meaning
relating to a city, town, or the duties of its citizens
Example
The mayor encouraged people to take part in civic activities.
C1 adjective /ˈtʃɛkərd/

chequered

Meaning
Having a pattern of squares, or marked by varied and contrasting experiences or periods.
Example
He had a chequered career with both great successes and failures.
A1 adjective /tʃiːp/

Cheap

Meaning
low in price; costing little money
Example
This restaurant serves cheap but delicious food.
C1 noun /ˈkʌl.ən.dər/

Colander

Meaning
a bowl-shaped kitchen utensil with holes in it used for draining food such as pasta or rice
Example
She drained the pasta using a colander.
B2 noun /ˈkaʊnsələr/

counsellor

Meaning
a person trained to give guidance on personal, social, or psychological problems; an advisor
Example
She spoke to a counsellor to get advice about her career.
A2 noun, verb /kɒf/

cough

Meaning
a sudden noisy release of air from the lungs to clear the throat or airway; to expel air suddenly from the lungs with a cough
Example
He has a bad cough and stayed home today.
B2 adjective ˌkɒn.stɪˈtjuː.ʃən.əl

constitutional

Meaning
Relating to an established set of principles governing a state; in accordance with a political constitution.
Example
Constitutional reforms ensure fairness in the system.
C2 verb /kɒnˈkætəneɪt/

concatenate

Meaning
To link things together in a series or chain.
Example
The program concatenates two strings into one.
C1 noun /ˈkɒntrəbænd/

contraband

Meaning
goods that are illegal to import, export, or possess
Example
The police seized a shipment of contraband cigarettes.
A2 adjective /ˈkloʊ.sɪst/

closest

Meaning
nearest in distance or relationship
Example
He is my closest friend.
B2 adjective ˈkɒɡnɪtɪv

cognitive

Meaning
Related to mental processes of perception, memory, judgment, and reasoning.
Example
Cognitive functions improve with practice and learning.
B1 verb /kənˈvɜːrt/

convert

Meaning
to change from one form to another; to transform
Example
We can convert this room into an office.
C1 noun /ˈkæv.əl.ri/

Cavalry

Meaning
soldiers who fight on horseback; the part of an army formerly composed of troops on horseback
Example
The cavalry charged across the field with great speed.
B2 noun /ˈkɔːtruːm/

courtroom

Meaning
a room in which legal cases are heard and decided by a judge
Example
The witness was called to testify in the courtroom.
C2 verb /ˌkaʊntərˈveɪl/

countervail

Meaning
to offset or counteract the effect of something
Example
The benefits of the new policy countervail its drawbacks.
C1 noun /kənˈveɪəns/

conveyance

Meaning
The action or process of transporting or carrying someone or something from one place to another.
Example
The conveyance of goods was delayed due to bad weather.