contamination
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B2 noun kənˌtæm.ɪˈneɪ.ʃən

contamination

Meaning
The process of making something less pure by exposure to or addition of a poisonous or polluting substance.
Example
Contamination of air leads to health issues.
B2 noun ˈsɜːrkjələr ɪˈkɒnəmi

circular economy

Meaning
An economic system aimed at eliminating waste and the continual use of resources through reuse, sharing, repair, refurbishment, remanufacturing and recycling.
Example
Adopting a circular economy can reduce waste.
B2 noun /ˈkjuː.bɪ.kəl/

cubicle

Meaning
A small partitioned-off area of a room, typically in an office.
Example
She works in a cubicle with three other colleagues.
B2 noun /ˌkɒrəˈleɪʃən/

correlation

Meaning
a mutual relationship or connection between two or more things
Example
Researchers found a strong correlation between diet and heart disease.
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.
B2 noun/adjective /səˈvɪliən/

civilian

Meaning
a person not in the armed forces or police
Example
The area was evacuated to protect the civilians.
B2 noun /tʃʌŋk/

chunk

Meaning
a thick or solid piece of something
Example
She cut the cake into large chunks.
B2 noun /kənˈsʌmp.ʃən/

Consumption

Meaning
The using up of a resource or the amount of a product consumed by consumers.
Example
High energy consumption leads to increased electricity bills.
B2 noun /ˈkɒmpɪtəns/

competence

Meaning
the ability to do something successfully or efficiently
Example
Her competence as a manager impressed the board.
B2 verb /ˈtʃɛrɪʃ/

cherish

Meaning
To hold something dear, to love and protect, or to keep a hope or memory alive.
Example
She cherishes the memories of her childhood home.
B2 noun /ˈsɛmɪˌtɛri/

cemetery

Meaning
a place where dead people are buried
Example
The old cemetery is located at the edge of the village.
B2 noun /ˌkɔːriˈændər/

Coriander

Meaning
aromatic herb with feathery leaves used for flavoring food; also refers to the seeds used as spice
Example
Fresh coriander leaves are sprinkled on top of the curry.
B2 adverb /ˈkrɪtɪkli/

critically

Meaning
in a way that expresses disapproval or a very serious, important way
Example
He was critically injured in the accident.
B2 noun /kəmˈplɛksɪti/

complexity

Meaning
The state of being complex; intricacy.
Example
The complexity of the problem required a team of experts.
B2 adverb /ˈtʃiːfli/

chiefly

Meaning
mainly; primarily
Example
The festival is celebrated chiefly by young people.
B2 noun /kraɪˈtɪəriən/

criterion

Meaning
A standard or rule used to make a judgment or decision.
Example
Honesty is an important criterion for this job.
B2 noun /ˌkɑː.bəʊˈhaɪ.dreɪts/

carbohydrates

Meaning
Organic compounds consisting of carbon, hydrogen, and oxygen, serving as a primary source of energy for the body.
Example
Whole grains are a great source of healthy carbohydrates.
B2 verb /ˈsɜːrkjəˌleɪt/

circulate

Meaning
to move continuously or freely through a closed system or area
Example
Air circulated freely in the open hall.
B2 noun /ˈkrɪstəl/

crystal

Meaning
a clear, transparent mineral or glass that forms a solid structure with regular patterns
Example
She wore a necklace made of sparkling crystal.
B2 noun /ˈkruː.əl.ti/

Cruelty

Meaning
behavior that causes pain or suffering to others; the quality of being cruel
Example
The documentary exposed the cruelty of factory farming to animals.
B2 noun, verb /kloʊk/

cloak

Meaning
a loose outer garment; to cover, hide, or disguise
Example
The spy cloaked his identity with a false name.
B2 noun /kriːk/

creek

Meaning
a small stream or narrow river
Example
We went fishing by the creek near our house.
B2 noun /kraɪˈtɪəriə/

criteria

Meaning
Standards or principles by which something is judged or decided.
Example
The candidates were evaluated based on strict criteria.
B2 adverb /ˈkɒnsɪkwəntli/

consequently

Meaning
as a result; therefore
Example
He didn’t study, and consequently he failed the exam.
B2 verb /kənˈsɜːrv/

conserve

Meaning
to protect something from harm or destruction; to use resources carefully to avoid waste
Example
We must conserve water during the dry season.
B2 noun/verb /ˈtʃɑːrtər/

charter

Meaning
a written document granting rights or privileges; to hire a vehicle or vessel for temporary use
Example
The company decided to charter a bus for the trip.
B2 adjective /kəmˈpæʃənət/

Compassionate

Meaning
feeling or showing sympathy and concern for others who are suffering
Example
The compassionate nurse took extra time to comfort the worried patients.
B2 noun /ˈklʌstər/

cluster

Meaning
a group of similar things or people positioned close together
Example
The grapes grew in a tight cluster.
B2 adjective ˌkɒn.trəˈvɜː.ʃəl

controversial

Meaning
Giving rise to public disagreement or heated discussion.
Example
The policy remains controversial.
B2 noun ˌkʌl.tɪˈveɪ.ʃən

cultivation

Meaning
The practice of preparing and using land for crops or gardening; the action of improving or developing something.
Example
The cultivation of organic crops has increased worldwide.
B2 adjective /kənˈtɛntɪd/

contented

Meaning
Feeling or expressing happiness and satisfaction.
Example
She was contented with her simple life.
B2 adjective /kəmˈpætəbl/

compatible

Meaning
Able to exist or work together without conflict; harmonious.
Example
This software is compatible with both Windows and Mac systems.
B2 verb /ˈkɒmprəmaɪz/

compromise

Meaning
To expose or make vulnerable to danger, suspicion, or disrepute.
Example
Excessive sharing can compromise your privacy.
B2 noun /ˈkæp.tɪv/

Captive

Meaning
a person who has been taken prisoner or an animal that has been confined
Example
The captive was held in a small cell for several months.
B2 noun ˌkɒn.stɪˈtjuː.ʃən

constitution

Meaning
A body of fundamental principles or established precedents according to which a state is governed.
Example
Constitutional reforms ensure equity.
B2 adjective kəˈləʊ.ni.əl

colonial

Meaning
Relating to or characteristic of a colony or colonialism, especially involving the control of one country by another.
Example
Colonial rule suppressed local governance.
B2 verb /klɪŋ/

cling

Meaning
to hold on tightly to someone or something
Example
The child clung to his mother in fear.
B2 adjective /ˌkɒst.ɪˈfɪʃ.ənt/

cost-efficient

Meaning
Achieving maximum productivity with minimum wasted effort or expense.
Example
Cost-efficient solutions benefit industries.
B2 verb /kəmˈpraɪz/

comprise

Meaning
To consist of or be made up of something.
Example
The committee comprises five members.
B2 preposition /kənˈsɜːnɪŋ/

concerning

Meaning
about or relating to something; causing worry or anxiety
Example
There are some reports concerning the new project.
B2 adjective /ˈklæsɪfaɪd/

classified

Meaning
arranged into categories; officially secret or restricted
Example
The report contains classified information and cannot be shared publicly.
B2 noun/verb /kjuː/

cue

Meaning
A signal or prompt for action; to give a signal.
Example
The actor waited for his cue before entering the stage.
B2 noun /ˈkɑː.bən ˈfʊt.prɪnt/

carbon footprint

Meaning
The amount of carbon dioxide and other carbon compounds emitted due to the consumption of fossil fuels by a particular person, group, etc.
Example
Reducing carbon footprint is essential for combating climate change.
B2 adjective /kəmˈpʌlsəri/

compulsory

Meaning
Required by law or a rule; obligatory.
Example
Wearing seat belts is compulsory in most countries.
B2 verb /saɪt/

cite

Meaning
to quote; to mention as an example or proof
Example
The lawyer cites relevant case law.
B2 noun /ˈklær.ɪ.ti/

clarity

Meaning
The quality of being coherent and intelligible; transparency or lucidity.
Example
The speaker's clarity made the concept easy to understand.
B2 noun /ˈkɒpə/

copper

Meaning
a reddish-brown metal used for electrical wiring, coins, and more
Example
Copper is a good conductor of electricity.
B2 adjective /ˈkræŋki/

cranky

Meaning
bad-tempered, easily annoyed, or irritable
Example
The child gets cranky when he is hungry.
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.
B2 noun kəˌlæbəˈreɪʃən

collaboration

Meaning
The action of working with someone to produce or create something
Example
International collaboration is necessary to fight pollution.
B2 adjective /kəʊˈɒpərətɪv/

cooperative

Meaning
willing to work or act together with others for a common purpose
Example
She was very cooperative during the interview process.
B2 noun /ˈkloʊʒər/

closure

Meaning
the action or process of closing something, or the sense of finality or resolution.
Example
The closure of the company left many employees without jobs.
B2 noun ˈkrɪp.toʊˌkɝː.ən.si

cryptocurrency

Meaning
Decentralized digital currency operated using blockchain technology.
Example
Bitcoin is the most popular cryptocurrency in the market.
B2 noun /ˈkɔːr.əs/

Chorus

Meaning
a large organized group of singers; a part of a song that is repeated after each verse
Example
The school chorus performed beautifully at the annual concert.
B2 verb /ˈkɒnstɪtjuːt/

constitute

Meaning
To make up, form, or establish something.
Example
These documents constitute the legal agreement between the two parties.
B2 noun /ˈkæʃ.uː nʌt/

Cashew Nut

Meaning
a kidney-shaped nut with a creamy texture and mild flavor
Example
Cashew nuts are often used in cooking and as a healthy snack.
B2 noun /ˌkrɛd.ɪˈbɪl.ɪ.ti/

credibility

Meaning
The quality of being trusted and believed in; trustworthiness.
Example
His credibility as a leader remains unquestioned.
B2 adjective /kənˈdʒɛstɪd/

congested

Meaning
Blocked up with too much traffic or crowding.
Example
The road was congested during rush hour.
B2 noun/adjective /ˈkæpɪtəlɪst/

capitalist

Meaning
a person who supports or believes in capitalism; a wealthy business owner
Example
The capitalist believes in the freedom of the market.
B2 verb /kɑːrv/

carve

Meaning
To cut or shape something, especially wood or stone, into a desired form.
Example
The artist carved a beautiful statue out of marble.
B2 noun, adjective /ˈkɒrəl/

coral

Meaning
a hard, rock-like marine organism formed by tiny sea animals; a pinkish-orange color resembling coral
Example
The coral in the reef provides shelter for many sea creatures.
B2 verb /kreɪv/

crave

Meaning
to have a strong desire for something
Example
She craves adventure and often travels to remote places.
B2 noun /ˈsɜːr.tən.ti/

Certainty

Meaning
firm conviction that something is the case; the quality of being reliably true
Example
We can say with certainty that the project will be completed on time.
B2 noun /ˈkaʊnsɪlər/

councilor

Meaning
an elected member of a council, especially a local government body
Example
The councilor held a public meeting to discuss local issues.
B2 noun /krɪˈeɪtə/

creator

Meaning
a person who brings something into existence
Example
He is the creator of many successful startups.
B2 adjective /kəmˈpoʊzd/

composed

Meaning
calm and in control of oneself; made up of or formed from
Example
He remained composed even under pressure.
B2 verb /kəˈlæps/

collapse

Meaning
to fall down or inward suddenly; to break down completely
Example
The old building collapsed after the earthquake.
B2 noun ˌkætəˈstrɒfɪk ɪˈvents

catastrophic events

Meaning
Extremely destructive or damaging events that cause widespread devastation.
Example
Cyclones are catastrophic events in Bangladesh.
B2 adjective ˈkʌl.ɪ.nər.i

culinary

Meaning
Related to cooking or the preparation of food, especially in a sophisticated or professional manner.
Example
Culinary advancements enhance the dining experience.
B2 noun /ˈkɑn.ʃəns/

Conscience

Meaning
an inner feeling or voice viewed as acting as a guide to the rightness or wrongness of one's behavior
Example
His conscience prevented him from lying to his parents about his grades.
B2 noun /ˈkæt fɪʃ/

Cat fish

Meaning
a freshwater fish with whisker-like barbels around the mouth, commonly found in ponds and rivers
Example
Catfish is often fried and served with rice in Bengali cuisine.
B2 verb /ˈkaʊnsəl/

counsel

Meaning
to give professional advice or guidance to someone
Example
The teacher counseled the students on their career choices.
B2 adjective /ˈsɛl.əˌbreɪ.tɪd/

celebrated

Meaning
Widely known and praised; famous for an achievement.
Example
He is a celebrated author in the field of literature.
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.
B2 verb /kəmˈpoʊz/

compose

Meaning
to create music or writing; to make up; to calm oneself
Example
She composes beautiful songs.
B2 noun ˌsaɪ.bə.sɪˈkjʊə.rɪ.ti

cybersecurity

Meaning
The practice of protecting systems, networks, and programs from digital attacks
Example
Cybersecurity ensures safe digital operations.
B2 verb /kənˈstrʌkt/

construct

Meaning
to build or form something by putting parts together
Example
They plan to construct a new bridge over the river.
B2 noun /kənˈfɛʃən/

confession

Meaning
a statement admitting that one is guilty of a crime or has done something wrong
Example
The suspect made a full confession to the police.
B2 noun /kroʊ/

Crow

Meaning
a large black bird known for its intelligence and harsh call
Example
The crow cawed loudly from the tree branch.
B2 noun /kæf/

Calf

Meaning
a young cow or bull; young of various large mammals
Example
The calf stayed close to its mother.
B2 adjective /kəˈmɛndəbl̩/

commendable

Meaning
deserving praise or approval
Example
Her dedication to the project was truly commendable.
B2 verb /kəmˈpɛl/

compel

Meaning
To force or drive someone to do something.
Example
The law compels citizens to pay taxes.
B2 adjective /kəˈreɪdʒəs/

Courageous

Meaning
brave; fearless; showing courage in the face of danger
Example
The courageous firefighter rescued the family from the burning building.
B2 noun /kənˈdenst mɪlk/

Condensed milk

Meaning
milk from which water has been removed and sugar added, creating a thick, sweet product
Example
The recipe calls for a can of condensed milk to make the dessert extra creamy.
B2 noun /kənˈdʒʌŋkʃən/

conjunction

Meaning
a word used to connect clauses or sentences, or to coordinate words
Example
The words 'and' and 'but' are common conjunctions.
B2 adjective /ˈkeər.friː/

Carefree

Meaning
free from anxiety or responsibility; lighthearted; worry-free
Example
She lived a carefree life, traveling the world without any worries.
B2 noun /ˈsaɪkloʊn/

cyclone

Meaning
a large-scale air mass that rotates around a strong center of low atmospheric pressure; a violent tropical storm
Example
The cyclone caused severe flooding along the coast.
B2 verb /ˈkɒntəmpleɪt/

contemplate

Meaning
to think deeply and carefully about something; to consider thoughtfully
Example
She sat quietly to contemplate her future plans.
B2 adjective /ˌkɑː.di.əʊˈvæs.kjʊ.lər/

cardiovascular

Meaning
Relating to the heart and blood vessels.
Example
Regular exercise improves cardiovascular health.
B2 adjective /ˈtʃeɪn.dʒə.bəl/

Changeable

Meaning
able to be changed; likely to change frequently
Example
The weather is very changeable in spring.
B2 verb /kənˈsiːv/

conceive

Meaning
to form or imagine an idea in the mind; to become pregnant
Example
It is hard to conceive how such an idea could succeed.
B2 noun /ˌkɑn.trəˈdɪk.ʃən/

Contradiction

Meaning
a combination of statements, ideas, or features which are opposed to one another; inconsistency
Example
There was a clear contradiction between his words and his actions.
B2 verb /tʃænt/

chant

Meaning
to sing or recite in a rhythmic way
Example
The monks chant prayers in the temple.
B2 noun /kənˈkʌʃən/

concussion

Meaning
A temporary unconsciousness or shock caused by a blow to the head.
Example
He suffered a concussion after falling from the bike.
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.
B2 noun /ˈsel.ər.i/

Celery

Meaning
a green vegetable with long crisp stems that can be eaten raw or cooked
Example
I added chopped celery to the soup for extra flavor.
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.
B2 noun /ˈkaʊnsələr/

councillor

Meaning
an elected member of a local council who helps make decisions and represent the community
Example
The councillor spoke to residents about improving local roads.
B2 adjective /kɒzˈmɛt.ɪk/

cosmetic

Meaning
relating to beauty or appearance; intended to improve looks
Example
She bought a new cosmetic cream for her skin.
B2 noun /kɔːrd/

cord

Meaning
a long, thin, flexible string or rope
Example
He tied the package with a strong cord.
B2 verb /krʌʃ/

crush

Meaning
to press or squeeze something so hard that it is damaged or destroyed
Example
He accidentally crushed the paper cup in his hand.
B2 noun /ˈkɑːmpaʊnd/

compound

Meaning
a thing that is composed of two or more separate elements; an enclosed area with buildings
Example
The scientist studied the chemical compound in the lab.
B2 noun /kəˈlɪʒ.ən/

Collision

Meaning
an instance of one moving object hitting violently against another; a conflict of opposing ideas or interests
Example
The collision between two cars caused a major traffic jam.
B2 noun /ˌkɑːrboʊˈhaɪdreɪt/

carbohydrate

Meaning
a nutrient that provides energy, found in foods like rice, bread, and sugar
Example
Rice and potatoes are rich in carbohydrates.
B2 noun /kraɪst/

christ

Meaning
the title given to Jesus, considered the Messiah in Christianity
Example
Christ is central to Christian faith.
B2 noun/adjective /kənˈstɪtʃuənt/

constituent

Meaning
Noun: A member of a constituency or an essential part of something. Adjective: Being a necessary part of a whole.
Example
The senator met with his constituents to discuss local issues.
B2 noun /ˈkɒm.pɒ.stɪŋ/

composting

Meaning
The process of recycling organic waste into fertile fertilizer.
Example
Composting reduces waste and enhances soil fertility.
B2 noun /ˈkɒmənˌtɛri/

commentary

Meaning
An expression of opinions or explanations about an event, situation, or text.
Example
The professor's commentary on the novel was insightful.
B2 noun /ˈkʌvərɪdʒ/

coverage

Meaning
The extent or scope of something, such as insurance protection or media reporting.
Example
The news channel provided extensive coverage of the event.
B2 noun kənˈtrækʃən

contraction

Meaning
The process of becoming smaller; a decrease in size or quantity.
Example
The economic contraction resulted in a rise in unemployment.
B2 adjective kənˈsaɪs

concise

Meaning
Brief and clearly expressed without unnecessary details.
Example
A concise speech is more impactful than a long one.
B2 noun /ˈkʊriər/

courier

Meaning
a person or company that delivers messages, packages, or mail
Example
The courier delivered the documents on time.
B2 verb /kəˈmɛnd/

commend

Meaning
to praise formally or officially
Example
The teacher commended the students for their hard work.
B2 noun /ˌkɒndɛnˈseɪʃən/

condensation

Meaning
The process of water vapor changing into liquid; also, the act of making something more concise.
Example
Condensation formed on the windows during the cold night.
B2 noun /kənˈtroʊlər/

controller

Meaning
a person or device that manages, directs, or regulates something
Example
The game controller made it easy to play the video game.
B2 noun /ˈkʌm.pəs/

Compass

Meaning
an instrument for finding direction with a magnetic needle pointing to magnetic north
Example
The hiker used a compass to find the right direction.
B2 adjective /ˈkaʊntləs/

countless

Meaning
too many to be counted; innumerable
Example
There are countless stars in the sky.
B2 verb /kənˈsoʊl/

console

Meaning
to comfort someone who is sad or disappointed; to provide solace
Example
She tried to console her friend after the loss.
B2 verb /ˈkæt.ɪ.ɡə.raɪzd/

categorized

Meaning
Placed in a particular class or group.
Example
The city was categorized as highly polluted.
B2 verb /kəmˈplaɪ/

comply

Meaning
to act in accordance with a rule, request, or law
Example
All companies must comply with safety regulations.
B2 adjective /kəʊˈhɪə.rənt/

coherent

Meaning
Logical and consistent; forming a unified whole; clear and easy to understand.
Example
His speech was clear and coherent.