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.
B1 noun /tʃɪn/

Chin

Meaning
the protruding part of the face below the mouth, formed by the apex of the lower jaw
Example
He stroked his beard thoughtfully, resting his hand on his chin.
B1 noun /ˈkɒtən/

cotton

Meaning
A soft white fibrous substance used to make cloth and thread.
Example
This shirt is made of pure cotton.
B1 noun /ˈkɒntɛkst/

context

Meaning
the circumstances or background relevant to an event, statement, or idea
Example
To understand the quote, you need to know the context in which it was said.
B1 noun /ˈsɛntɪˌmiːtər/

centimeter

Meaning
A metric unit of length equal to one hundredth of a meter.
Example
The table is 120 centimeters long.
B1 verb /kənˈsuːm/

consume

Meaning
to eat or drink; to use up; to destroy completely
Example
We consume a lot of water during summer.
B1 noun /ˈkɒliːɡ/

colleague

Meaning
a person with whom one works, especially in a profession or business
Example
She invited her colleagues to the office party.
B1 noun /ˌkrɪstiˈænɪti/

christianity

Meaning
the religion based on the teachings of Jesus Christ
Example
Christianity has millions of followers around the world.
B1 noun /ˈklɪn.ɪk/

clinic

Meaning
A place where people receive medical treatment without staying overnight.
Example
She went to the clinic for a health check-up.
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.
B1 noun /ˈkætəɡɔːri/

category

Meaning
a class or division of things regarded as having particular shared characteristics
Example
Books are arranged by category in the library.
B1 verb /kənˈkluːd/

conclude

Meaning
to bring to an end; to decide or determine after consideration
Example
We will conclude the meeting at five o'clock.
B1 noun kəˈmɪt.mənt

commitment

Meaning
A promise or firm decision to do something; the state or quality of being dedicated to a cause or activity.
Example
The president reaffirmed his commitment to environmental protection.
B1 noun, verb /ˈkrɛdɪt/

credit

Meaning
As a noun: the ability to obtain goods or services before payment; recognition for an achievement. As a verb: to publicly acknowledge someone's contribution.
Example
She received credit for her contribution to the project.
B1 verb /kənˈtɪnjuɪŋ/

continuing

Meaning
to keep doing something without stopping
Example
They are continuing their journey despite the rain.
B1 noun /ˈkɒstjuːm/

costume

Meaning
a set of clothes worn to represent a particular character, culture, or occasion
Example
She wore a beautiful costume for the Halloween party.
B1 noun /ˈkæmpəs/

campus

Meaning
The grounds and buildings of a university, college, or school.
Example
The university campus is filled with students during the fall semester.
B1 noun kəˈmɪt.i

committee

Meaning
A group of people appointed for a specific function by a larger group.
Example
A 65-member committee was formed.
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 adverb /ˈkloʊsli/

closely

Meaning
in a way that is very near in space, time, or relationship; carefully and attentively
Example
The detective examined the evidence closely.
B1 noun /kəmˈpəʊzə(r)/

composer

Meaning
a person who writes music, especially classical music
Example
The composer is working on a new symphony.
B1 verb /klæp/

clap

Meaning
To strike the palms of the hands together, usually to express approval or create a sharp sound.
Example
The audience began to clap loudly after the performance.
B1 noun /keɪv/

Cave

Meaning
a large underground chamber in a hill or cliff; a hollow space in rock
Example
The explorers discovered ancient paintings on the cave walls.
B1 noun /kraʊn/

Crown

Meaning
a circular ornamental headdress worn by a monarch as a symbol of authority
Example
The queen wore a magnificent crown during the coronation ceremony.
B1 noun /ˌsɪvɪlaɪˈzeɪʃən/

civilization

Meaning
the stage of human social and cultural development and organization considered most advanced
Example
Ancient Egypt is known for its remarkable civilization.
B1 adjective /ˈkeɪ.pə.bəl/

Capable

Meaning
having the ability, fitness, or quality necessary to do or achieve something; competent
Example
She is capable of handling complex problems.
B1 noun/verb /koʊd/

code

Meaning
a system of words, letters, or symbols used to represent information or instructions
Example
He wrote a code to solve the problem on the computer.
B1 noun /kənˈsʌltənt/

consultant

Meaning
A professional who provides expert advice in a particular area.
Example
The company hired a consultant to improve its marketing strategy.
B1 adjective /ˈkɜːrli/

curly

Meaning
having curls or waves; shaped with bends or coils
Example
She has naturally curly hair.
B1 verb /kənˈvɜːrt/

convert

Meaning
to change from one form to another; to transform
Example
We can convert this room into an office.
B1 noun /klɑːrk/

clerk

Meaning
A person employed in an office or bank to keep records, accounts, and undertake other routine administrative duties.
Example
The clerk helped me find the correct form.
B1 noun /ˈker.ləs.nəs/

Carelessness

Meaning
failure to give sufficient attention to avoiding harm or errors
Example
His carelessness with money led to serious financial problems.
B1 adjective /kənˈtroʊld/

controlled

Meaning
managed or regulated carefully; kept within limits
Example
The experiment was conducted in a controlled environment.
B1 noun ˈklaɪ.mət tʃeɪndʒ

climate change

Meaning
A change in global or regional climate patterns, attributed largely to the increased levels of atmospheric carbon dioxide produced by the use of fossil fuels.
Example
Climate change is causing more natural disasters.
B1 noun /ˈkɒkˌteɪl/

cocktail

Meaning
a mixed drink typically containing alcohol and other ingredients.
Example
She ordered a cocktail at the bar.
B1 noun, adjective /ˈkrɪmɪnəl/

criminal

Meaning
A person who has committed a crime; relating to crime
Example
The police arrested a dangerous criminal last night.
B1 noun /ˈtʃæmpiənʃɪp/

championship

Meaning
a competition to decide who is the best in a particular sport or activity.
Example
The championship will be held next month.
B1 verb /kənˈsʌlt/

consult

Meaning
To seek advice or information from someone with expertise.
Example
You should consult a doctor before starting the treatment.
B1 noun /tʃɑːrt/

chart

Meaning
a sheet of information in the form of a table, graph, or diagram
Example
The teacher used a chart to explain the statistics.
B1 noun /kræft/

craft

Meaning
an activity involving skill in making things by hand; a trade or occupation
Example
She has mastered the craft of pottery.
B1 noun /ˈkaʊn.səl/

council

Meaning
an assembly of people chosen or elected to make decisions or advise on matters
Example
The city council voted to improve public transportation.
B1 verb /tʃɒp/

chop

Meaning
to cut with a sharp tool; to cut into pieces
Example
She chops vegetables for dinner.
B1 noun sɪvɪˈlɪzeɪʃənz

civilizations

Meaning
The stage of human social development and organization that is considered most advanced.
Example
Ancient civilizations developed complex systems of governance.
B1 verb /tʃuː/

chew

Meaning
to bite food into smaller pieces with your teeth before swallowing it
Example
You should chew your food properly to help with digestion.
B1 adjective /ˈkʌtɪŋ/

cutting

Meaning
sharp or severe, often used to describe remarks or actions
Example
Her cutting remarks made everyone feel uncomfortable.
B1 noun/adjective /ˌkærəktəˈrɪstɪk/

characteristic

Meaning
A distinguishing quality or feature of a person, place, or thing.
Example
Kindness is a characteristic of true leadership.
B1 noun /ˈkrɪtɪˌsɪzəm/

criticism

Meaning
The expression of disapproval or judgment of the merits of something
Example
The new policy has faced a lot of criticism from the public.
B1 verb /kəmˈbaɪn/

combine

Meaning
To bring two or more things together to form a single unit.
Example
They decided to combine their resources for the project.
B1 noun /ˈkɒntɪnənt/

continent

Meaning
one of the large landmasses on Earth such as Asia, Africa, or Europe
Example
Asia is the largest continent in the world.
B1 noun /ˈkɒnflɪkt/

conflict

Meaning
A serious disagreement or argument, often a prolonged one.
Example
The two countries are trying to resolve the conflict through negotiations.
B1 adjective /ˈkoʊzi/

cozy

Meaning
giving a feeling of comfort, warmth, and relaxation
Example
We sat in a cozy little café on a rainy day.
B1 verb /ˈkrɪtɪsaɪz/

criticize

Meaning
to express disapproval or find fault with someone or something
Example
The teacher criticized the student's poor handwriting.
B1 verb /kəˈmænd/

command

Meaning
to give an order authoritatively; to control or direct
Example
The general commanded the soldiers to move forward.
B1 noun /ˈtʃɪl.i ˈpaʊ.dər/

Chilli Powder

Meaning
a spice made from ground dried chili peppers, used to add heat and flavor to food
Example
Add two teaspoons of chilli powder to make the dish spicier.
B1 verb /krɔːl/

crawl

Meaning
to move slowly on hands and knees; to move very slowly
Example
The baby crawled across the floor to reach the toy.
B1 adverb /ˈkeərləsli/

carelessly

Meaning
without care or attention; in a negligent or reckless manner
Example
He carelessly left the door unlocked.
B1 noun /kriˈeɪ.ʃənz/

creations

Meaning
Things that have been created, especially works of art or imaginative works.
Example
His creations astonished the world.
B1 adverb /ˈtʃɪəfəli/

cheerfully

Meaning
in a happy and positive manner; with visible good spirits
Example
She greeted everyone cheerfully despite the long day.
B1 noun /kəmˈpænjən/

companion

Meaning
a person or animal you spend time with or travel with
Example
He was my companion during the long journey.
B1 noun /kənˈvɛnʃən/

convention

Meaning
a widely accepted way of behaving or doing something; a formal meeting
Example
The annual writers' convention was held in Dhaka.
B1 noun /ˈklaɪ.mət/

climate

Meaning
The weather conditions prevailing in an area in general.
Example
Climate change impacts all regions globally.
B1 verb /kənˈtrɪbjuːt/

contribute

Meaning
to give something, especially money, time, or effort, to help achieve or provide something
Example
Everyone contributed money to buy a farewell gift for the teacher.
B1 noun ˌkriː.eɪˈtɪv.ɪ.ti

creativity

Meaning
The ability to use imagination to produce original ideas or to make something new or imaginative.
Example
His creativity was evident in his artwork.
B1 adjective /kənˈsɪdərəbl/

considerable

Meaning
large in amount, size, or importance
Example
The project required a considerable amount of time and money.
B1 noun /səˈlɛbrɪti/

celebrity

Meaning
a famous person, especially in entertainment or sports
Example
The celebrity was surrounded by fans at the airport.
B1 noun /ˈkɜː.ri/

Curry

Meaning
a dish of meat, vegetables, etc., cooked in an Indian-style sauce with hot spices
Example
I love spicy chicken curry with rice.
B1 noun /ˈsiːlɪŋ/

ceiling

Meaning
the upper interior surface of a room
Example
The ceiling of the hall was painted beautifully.
B1 noun /ˌsiːiːˈoʊ/

ceo

Meaning
The highest-ranking person in a company, responsible for overall management.
Example
The CEO announced a new strategy for the company.
B1 noun /kəˈnuː/

Canoe

Meaning
a narrow boat pointed at both ends and moved with a paddle
Example
They paddled their canoe down the peaceful stream.
B1 noun ˈtʃeə.pɜː.sən

chairperson

Meaning
A person who is in charge of a meeting or organization; the presiding officer of a committee, board, or organization.
Example
The chairperson ensures procedural integrity.
B1 adjective /kəmˈpetətɪv/

competitive

Meaning
relating to or characterized by competition; having a strong desire to win or be more successful
Example
She has a competitive spirit that drives her to excel.
B1 noun /kənˈteɪ.nər/

container

Meaning
A receptacle or box used for storage or transportation.
Example
Containers are essential for logistics.
B1 verb /kənˈfɜːrm/

confirm

Meaning
to establish the truth, accuracy, or validity of something
Example
The hotel will confirm your reservation by email.
B1 noun /ˈkær.ə.væn/

Caravan

Meaning
a group of people traveling together, especially through desert areas
Example
The merchant caravan crossed the desert with camels carrying precious goods.
B1 noun /ˈkæt.ər.pɪl.ər/

Caterpillar

Meaning
the larva of a butterfly or moth that feeds on plants
Example
The caterpillar ate all the leaves on the plant.
B1 adverb /ˈkʌrəntli/

currently

Meaning
at the present time; now
Example
He is currently working on a new project.
B1 verb /ˈkæri aʊt/

carry out

Meaning
to perform or complete a task; to execute a plan
Example
The team carries out the project successfully.
B1 adjective /ˈklæsɪkəl/

classical

Meaning
relating to ancient Greek or Roman culture, or representing traditional excellence in art, music, or literature
Example
She loves listening to classical music while studying.
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.
B1 noun /kæˈʃɪər/

Cashier

Meaning
a person who handles payments and transactions in a store or bank
Example
The cashier scanned all the items and calculated the total bill.
B1 noun /tʃest/

Chest

Meaning
the front surface of a person's or animal's body between the neck and abdomen; a large strong box
Example
The doctor listened to his chest with a stethoscope.
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.
B1 noun /klɪf/

cliff

Meaning
a high, steep face of rock or earth
Example
The waves crashed against the bottom of the cliff.
B1 adjective /kənˈviː.ni.ənt/

Convenient

Meaning
fitting in well with a person's needs, activities, and plans; suitable and practical
Example
The new shopping mall is very convenient for our family.
B1 noun /kəʊˌɒp.ərˈeɪ.ʃən/

cooperation

Meaning
The process of working together to the same end.
Example
Cooperation ensures effective problem-solving.
B1 verb /koʊˈɑːpəreɪt/

cooperate

Meaning
to work together; to collaborate
Example
The teams cooperate to achieve their common goals.
B1 noun /kəmˈpɛtɪtər/

competitor

Meaning
a person, team, or company that competes with others
Example
The company lowered its prices to beat its main competitor.
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.
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.
B1 verb /ˈkælkjəˌleɪt/

calculate

Meaning
to determine by mathematical computation; to estimate
Example
I need to calculate the total cost.
B1 noun ˌkɒnsənˈtreɪʃən

concentration

Meaning
The action or power of focusing one's attention or mental effort on a particular object or activity
Example
Concentration is key to mastering any skill.
B1 noun /ˈkæp.ɪ.təl/

Capital

Meaning
the most important city or town of a country or region; wealth in the form of money or assets
Example
Paris is the capital of France and also a major financial capital.
B1 adjective kənˈsɪs.tənt

consistent

Meaning
Acting or done in the same way over time, especially so as to be fair or accurate.
Example
Consistent performance leads to success.
B1 adjective /ˈtʃɪli/

chilly

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

Clothes iron

Meaning
An electric appliance used to remove wrinkles from clothes by applying heat and pressure
Example
I need to use the clothes iron to make my shirt look neat for the meeting.
B1 noun /ˈtʃæn.əl/

Channel

Meaning
a television or radio station; a passage for water or other liquids; a means of communication
Example
The news channel provided live coverage of the important event.
B1 noun /ˌkæl.kjəˈleɪ.ʃən/

Calculation

Meaning
a mathematical determination of the size or number of something
Example
His calculation of the total cost was accurate to the penny.
B1 noun /kruː/

crew

Meaning
A group of people working together, especially on a ship, aircraft, or project.
Example
The ship's crew worked tirelessly during the storm.
B1 verb /kəmˈpiːt/

compete

Meaning
to try to win or be more successful than others in a contest or activity
Example
Several companies compete for dominance in the market.
B1 noun /ˈkærɪdʒ/

carriage

Meaning
a vehicle, typically a four-wheeled one, used for transporting goods or people, especially in the past
Example
The royal family traveled in a beautiful carriage during parades.
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.
B1 adjective /ˈtʃaɪl.dɪʃ/

Childish

Meaning
immature and silly; behaving in a way that is typical of a child but inappropriate for an adult
Example
His childish behavior during the meeting was quite embarrassing.
B1 noun /ˈkæləri/

calorie

Meaning
A unit of energy, often used to measure the energy content of food and drink.
Example
She checks the calorie count before eating any packaged food.
B1 noun /kəˌmjunɪˈkeɪʃən/

communication

Meaning
The act or process of using words, sounds, signs, or behaviors to express or exchange information or to express your ideas, thoughts, feelings, etc.
Example
Effective communication is crucial for any successful project.
B1 noun ˈkraɪsɪs

crisis

Meaning
A time of intense difficulty, trouble, or danger.
Example
The financial crisis affected global markets.
B1 noun /kənˈfjuː.ʒən/

Confusion

Meaning
lack of understanding; uncertainty; the state of being bewildered or unclear in one's mind
Example
There was confusion about the meeting time, so half the team arrived late.
B1 noun /kæmˈpeɪn/

Campaign

Meaning
an organized course of action to achieve a particular goal; a series of military operations
Example
The environmental campaign successfully raised awareness about climate change.
B1 noun /kɑːrt/

Cart

Meaning
a wheeled vehicle for carrying goods; a shopping cart
Example
The farmer loaded hay onto his cart.
B1 adjective /ˈkɒmplɪˌkeɪtɪd/

complicated

Meaning
consisting of many interconnected parts; difficult to understand
Example
The instructions for the machine are too complicated to follow.
B1 noun /ˈsɛrəˌmoʊni/

ceremony

Meaning
A formal event or occasion, often with rituals and traditions.
Example
The graduation ceremony was held in the university hall.
B1 noun/verb /ˈkɒmplɪmənt/

compliment

Meaning
a polite expression of praise or admiration; to politely praise someone
Example
She complimented him on his excellent presentation.
B1 noun /kənˌsɪdəˈreɪʃən/

consideration

Meaning
careful thought or attention to something before making a decision
Example
After much consideration, she accepted the job offer.
B1 verb /ˈkæptʃər/

capture

Meaning
to take control of something or someone by force
Example
The soldiers managed to capture the enemy base.
B1 verb /kræk/

crack

Meaning
To break or cause to break without complete separation; to make a sharp sound.
Example
The glass cracked when it was dropped on the floor.
B1 noun /ˈsɜːrkəmstæns/

circumstance

Meaning
a fact or condition connected with an event or action
Example
She handled the difficult circumstances bravely.
B1 noun kəˈmjuːnɪti ˈprəʊɡræmz

Community Programs

Meaning
Organized activities involving local groups to promote environmental conservation.
Example
Community programs raise awareness about butterfly conservation.
B1 noun kəˈpæs.ə.ti

capacity

Meaning
The maximum amount that something can contain or produce; the ability or power to do or understand something.
Example
The cable has the capacity to handle vast data traffic.
B1 noun /kənˈkluː.ʒən/

Conclusion

Meaning
the end or finish of an event, process, or text; a judgment or decision reached by reasoning
Example
The conclusion of the research paper summarized all the important findings.
B1 adjective /kənˈtɪn.ju.əs/

continuous

Meaning
forming an unbroken whole; without interruption
Example
The factory operates on a continuous 24-hour schedule.
B1 adverb /ˈkɒmənli/

commonly

Meaning
usually or by most people
Example
This phrase is commonly used in everyday speech.
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.