corrosion
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C1 noun kəˈrəʊ.ʒən

corrosion

Meaning
The gradual destruction of materials by chemical or electrochemical reaction, especially of metals by oxidation.
Example
Corrosion in pipes leads to leakage.
A2 noun /ˈbæskɪt/

basket

Meaning
a container made of woven materials used for carrying or storing things
Example
She carried the apples in a basket.
C1 adjective /kəˈrəʊsɪv/

corrosive

Meaning
tending to cause corrosion; harmful or destructive to materials or people
Example
The chemical is highly corrosive and should be handled with care.
B2 noun /ˈsteɪdiəm/

stadium

Meaning
a large structure with seating for sports, concerts, or other events
Example
Thousands of fans filled the stadium to watch the final match.
B1 noun /ɪnˌvɛs.tɪˈɡeɪ.ʃən/

investigation

Meaning
the process of inquiring into or examining something carefully to find the truth
Example
The investigation revealed new evidence about the fraud.
B1 verb /braʊz/

browse

Meaning
To look at or skim through casually, especially online or in a store
Example
She likes to browse books in the library.
C2 verb /əˈkriːt/

accrete

Meaning
to grow or increase gradually by accumulation or addition
Example
Dust particles accrete over time to form larger celestial bodies.
B2 noun ˌdedɪˈkeɪʃn

dedication

Meaning
The quality of being dedicated or committed to a task or purpose; devotion.
Example
His dedication laid the foundation of Indian science.
B2 noun /ˈbɪtərnəs/

Bitterness

Meaning
anger and disappointment at being treated unfairly; resentment; a sharp, unpleasant taste
Example
She spoke with bitterness about her former employer.
C1 noun /ˈmeɪhɛm/

mayhem

Meaning
Violent or extreme disorder; chaos and destruction.
Example
The protest turned into mayhem when the crowd clashed with the police.
B2 verb /rɪˈvɜːs/

reverse

Meaning
to change something to the opposite direction, position, or result
Example
She quickly reversed the car out of the driveway.
C1 noun /trækt/

tract

Meaning
an area of land; a system of organs in the body; a written pamphlet
Example
The forest tract was preserved as a wildlife sanctuary.
A2 pronoun /ɪtˈsɛlf/

itself

Meaning
Used to emphasize the thing just mentioned; by its own power or effort.
Example
The cat cleaned itself after eating.
C2 noun /dɪˈpoʊnənt/

deponent

Meaning
A person who gives testimony under oath, especially in a written deposition.
Example
The deponent confirmed the accuracy of the statement during the trial.
B1 noun /tɔːrtʃ/

Torch

Meaning
a portable electric lamp powered by batteries; a flaming stick used for light
Example
Use the torch to find your way in the dark.
C1 noun /ˈkɒt.ən ˈfæb.rɪk/

Cotton Fabric

Meaning
textile made from cotton fibers, known for being soft, breathable, and comfortable
Example
Cotton fabric is perfect for summer clothing.
C2 adjective /ˈlɪsəm/

lissome

Meaning
Thin, supple, and graceful in movement.
Example
The dancer moved with a lissome elegance.
B1 adjective /ʌnˈkaʊntəbəl/

Uncountable

Meaning
too many to be counted; innumerable; infinite in quantity
Example
There are uncountable stars in the night sky.
C1 adjective /ˈbuːzi/

boozy

Meaning
containing or involving a lot of alcohol; slightly drunk from alcohol
Example
The party became boozy as the night went on.
B2 noun ˈpeɪtriəˌtɪzəm

patriotism

Meaning
The quality of being patriotic; devotion to and vigorous support for one's country.
Example
Victory Day reflects the patriotism of the entire nation.
B2 noun ləˈdʒɪs.tɪks

Logistics

Meaning
The detailed coordination of a complex operation involving many people, facilities, or supplies.
Example
Logistics ensures timely delivery.
C1 adjective /ˌmer.ɪˈtɔː.ri.əs/

Meritorious

Meaning
deserving reward or praise; commendable; worthy of recognition
Example
His meritorious service to the community was recognized.
C1 adjective /ˈtɜːrbjələnt/

turbulent

Meaning
Characterized by conflict, disorder, or confusion; not stable or calm.
Example
The country went through a turbulent period of political change.
C2 adjective /ˈdɛsəlˌtɔːri/

desultory

Meaning
lacking a clear plan, purpose, or enthusiasm
Example
His desultory conversation bored the audience.
B2 adjective /ɪnˈtriːɡɪŋ/

intriguing

Meaning
very interesting and unusual; arousing curiosity
Example
The movie has an intriguing plot that keeps the audience hooked.
B1 adverb /ɛtˈsɛtərə/

etcetera

Meaning
used at the end of a list to indicate that other similar items are included
Example
She bought apples, oranges, bananas, etcetera from the market.
C1 noun /ˈhɛrətɪk/

heretic

Meaning
a person who holds beliefs that go against established religious teachings or accepted beliefs.
Example
The church declared him a heretic for his radical ideas.
C2 noun /ˈɡævəl/

gavel

Meaning
A small ceremonial mallet used by a judge or an auctioneer to signal attention or mark a decision.
Example
The judge struck the gavel to call the court to order.
B2 noun /ˈpred.ə.ses.ər/

Predecessor

Meaning
a person who held a job or office before the current holder; something that came before another thing
Example
The new manager learned from his predecessor's mistakes.
B2 noun /səkˈsɛʃ.ən/

succession

Meaning
The process of ecological change in which one community of organisms is gradually replaced by another.
Example
Forest succession occurs when old ecosystems are replaced by new ones.
A2 noun /ˈdɒlfɪn/

Dolphin

Meaning
A highly intelligent marine mammal with a streamlined body and dorsal fin
Example
Dolphins are known for their playful behavior and intelligence.
A2 adjective /ɒd/

Odd

Meaning
strange; unusual; different from what is normal or expected
Example
That's an odd way to solve the problem.
A2 noun /ˈθiːətər/

theater

Meaning
a building or area for dramatic performances
Example
We are going to the theater tonight.
B2 noun /ˈməʊtərɪst/

motorist

Meaning
a person who drives a motor vehicle, especially a car or motorcycle
Example
The motorist stopped to help after seeing the accident on the highway.
C1 verb /sərˈmaʊnt/

surmount

Meaning
to overcome a difficulty or obstacle
Example
He surmounted all the challenges to achieve his dream.
B2 adjective /ˌoʊvərˈwɛlmɪŋ/

overwhelming

Meaning
Very intense; overpowering.
Example
Large tasks can feel overwhelming.
B1 noun /kənˈsjuːmər/

consumer

Meaning
A person who buys and uses goods and services.
Example
The company focuses on understanding consumer needs.
C2 verb /swɪl/

swill

Meaning
to drink something greedily or in large amounts
Example
He swilled down the beer in seconds.
A2 noun /ˈstʌmək/

Stomach

Meaning
the organ in the body where food is digested; the belly or abdomen
Example
My stomach hurts after eating too much.
C1 adjective ɪnˈtrɪn.zɪk

intrinsic

Meaning
Belonging naturally; essential. Existing as a natural or basic part of something.
Example
Creativity is an intrinsic quality of a great artist.
B2 verb /tæp/

tap

Meaning
to strike something lightly, usually with a quick, sharp sound
Example
He tapped on the door to get her attention.
C1 noun /ˈzoʊdiæk/

Zodiac

Meaning
a belt of the heavens within which lie the paths of the sun, moon, and planets; the twelve astrological signs
Example
What is your zodiac sign?
C1 noun /ˈmeɪ.triˌɑːrk/

matriarch

Meaning
A woman who is the head of a family or community.
Example
The matriarch of the family made all important decisions.
B1 verb /ˈbɑrɡɪn/

bargain

Meaning
to negotiate terms; to discuss prices; to make a deal
Example
She likes to bargain at the local market.
B1 verb /əˈdɔːr/

adore

Meaning
to love deeply and respect highly
Example
She adores her little sister.
B2 noun /ˈfɪŋ.ɡər.prɪnt/

Fingerprint

Meaning
an impression or mark made on a surface by a person's fingertip; unique identification pattern
Example
The police found his fingerprints on the door handle at the crime scene.
B1 adjective /ˌen.təˈteɪ.nɪŋ/

Entertaining

Meaning
providing amusement or enjoyment; funny and engaging
Example
The comedian's performance was very entertaining and kept the audience laughing.
C2 verb /ˌoʊvərˈliːp/

overleap

Meaning
To jump over something; to omit or disregard something.
Example
He managed to overleap the fence easily.
C1 adjective eɪˈsɪŋ.krə.nəs

asynchronous

Meaning
Of or requiring a form of computer control timing protocol in which a specific operation begins upon receipt of an indication that the preceding operation has been completed.
Example
Asynchronous courses allow students to learn at their own pace.
C2 verb /ˈwɪzn/

wizen

Meaning
To become dry, shrunken, and wrinkled.
Example
The flowers began to wizen after days without water.
C2 verb /fɔːrˈdʒʌdʒ/

forejudge

Meaning
To judge beforehand without adequate information.
Example
It is unfair to forejudge someone without knowing the facts.
C1 adjective /æbˈdɑː.mə.nəl/

abdominal

Meaning
relating to the abdomen (the part of the body between the chest and pelvis)
Example
He complained of severe abdominal pain.
B2 adverb /ɪˈsɛnʃəli/

essentially

Meaning
Used to emphasize the basic or fundamental nature of something.
Example
The two plans are essentially the same.
C1 verb /ˈpɒstʃʊleɪt/

postulate

Meaning
to suggest or assume that something is true as the basis for reasoning or discussion
Example
Scientists postulate that life exists on other planets.
C2 noun /ˈmɛtrəˌnoʊm/

metronome

Meaning
A device that produces regular ticks or beats to help musicians maintain tempo.
Example
She practiced the piano with a metronome to keep steady timing.
B2 adjective /ˈhɒs.taɪl/

Hostile

Meaning
unfriendly; aggressive; antagonistic;
Example
The hostile environment made it difficult to work.
B1 adjective /ˌlɛftˈhændɪd/

left-handed

Meaning
Using or done with the left hand; also can mean clumsy or awkward.
Example
She is left-handed and writes beautifully with her left hand.
C1 noun /ˌsɛlf ɪnˈdʌldʒəns/

self-indulgence

Meaning
The act of allowing oneself to enjoy pleasures or desires excessively.
Example
His weekend of self-indulgence included eating sweets and watching movies nonstop.
B1 noun

Pattern

A2 noun /tɛkst/

text

Meaning
a written or printed work or passage, especially a book or document
Example
The teacher asked us to read the text on page 50.
B2 noun ˈɪnəveɪtɪv tuːlz

innovative tools

Meaning
Creative devices or advanced technologies that introduce new methods or approaches to accomplish tasks.
Example
Teachers use innovative tools to enhance classroom learning.
A2 verb /mætʃ/

match

Meaning
to be equal to something; to find something that corresponds to another
Example
The colors of her dress match perfectly with her shoes.
C1 noun /ˈnʌr.ɪʃ.mənt/

nourishment

Meaning
Food and nutrients necessary for the body's growth and development.
Example
Proper nourishment is essential for child development.
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 adjective /ˌriːəˈlɪstɪk/

realistic

Meaning
having or showing a sensible and practical idea of what can be achieved or expected
Example
She gave a realistic estimate of the project's cost.
B2 verb praɪˈɒraɪtaɪz

prioritize

Meaning
To designate or treat something as more important than other things
Example
Prioritize your tasks to stay efficient.
B2 noun /ˈtek.staɪl/

textile

Meaning
a type of cloth or woven fabric made by knitting or weaving fibers
Example
Bangladesh is famous for its high-quality textile industry.
B2 noun /ˈɡælən/

gallon

Meaning
a unit of measurement for liquid capacity, equal to 4 quarts or approximately 3.8 liters
Example
He bought a gallon of milk.
C1 noun /məˈleɪz/

malaise

Meaning
a general feeling of discomfort, illness, or unease whose exact cause is difficult to identify
Example
After the long journey, she felt a general malaise.
A2 noun /ˈkæm.əl/

Camel

Meaning
a large animal with one or two humps on its back that lives in hot dry places
Example
The camel walked slowly across the desert sand.
B2 noun /ˈmet.roʊ reɪl/

Metro Rail

Meaning
an underground urban railway system; subway system
Example
The metro rail connects all major areas of the city efficiently.
C1 verb /ˈɡrætɪfaɪ/

gratify

Meaning
to give pleasure or satisfaction to someone
Example
It gratified him to know his work was appreciated.
C1 noun /ɡeɪt/

gait

Meaning
A person's manner of walking.
Example
His slow gait showed that he was tired.
C1 adjective /ɪɡˈzuːbərənt/

exuberant

Meaning
full of energy, excitement, and cheerfulness
Example
The children were exuberant after winning the game.
B2 adjective; verb (past and past participle) /lɜːrnd/

learned

Meaning
having acquired much knowledge through study; gained knowledge or skill through experience or teaching
Example
She is a learned scholar with deep knowledge of history.
C2 noun /ˈræp.aɪn/

rapine

Meaning
the violent seizure of someone's property
Example
The war was marked by rapine and destruction.
A1 verb /ˈlɪsən/

listen

Meaning
to pay attention to sounds; to hear someone or something with thoughtful attention
Example
Please listen carefully to the instructions.
C2 noun /ˈpɒtˌbɔɪlə/

potboiler

Meaning
a book, play, or film produced quickly to make money rather than for artistic value
Example
The novel was dismissed by critics as a mere potboiler.
B1 adjective /ɑːrmd/

armed

Meaning
equipped with or carrying weapons
Example
The bank was robbed by armed men.
B2 noun ˈsuː.pər.fuːdz

superfoods

Meaning
Nutrient-dense foods that are particularly beneficial for health and well-being.
Example
Blueberries and spinach are superfoods rich in vitamins.
C2 verb /dɪˈspɔɪl/

despoil

Meaning
To steal or violently remove valuable possessions from a place.
Example
The invaders despoiled the village during the war.
B2 noun /ˈstrʌk.tʃərz/

structures

Meaning
Buildings or other objects constructed from several parts.
Example
The region has ancient structures.
C1 noun ˌdʒiːəˈlɒdʒɪkəl ˈstrʌktʃər

geological structure

Meaning
The arrangement and composition of rocks, minerals, and landforms in the Earth's crust.
Example
Scientists will study the Moon's geological structure.
C1 adjective /ˈtɛmpərd/

tempered

Meaning
having a specified temper or disposition; strengthened or moderated.
Example
She gave a tempered response to the criticism.
B1 adjective /ˈkʌtɪŋ/

cutting

Meaning
sharp or severe, often used to describe remarks or actions
Example
Her cutting remarks made everyone feel uncomfortable.
C1 verb /əˈsæsɪneɪt/

assassinate

Meaning
To murder someone important, often a political or religious leader, usually by surprise attack.
Example
The rebels planned to assassinate the king.
B1 noun /ˈpraɪ.və.si/

Privacy

Meaning
the state of being alone and not watched or disturbed by other people; the right to keep your personal information secret
Example
Everyone has the right to privacy.
A1 preposition, adverb /ˈoʊvər/

over

Meaning
across, on top of, or beyond
Example
The book is lying over the table.
C1 adjective /ˌɪntərˈtwaɪnd/

intertwined

Meaning
closely connected or twisted together
Example
Their lives became deeply intertwined after the accident.
A2 noun /ˈdæn.sər/

Dancer

Meaning
a person who performs dance, typically as a profession or art form
Example
The dancer performed gracefully on the stage.
C1 noun /rɪˈpʌlʃən/

Repulsion

Meaning
a feeling of intense distaste or disgust; a force under the influence of which objects tend to move away from each other
Example
She felt a strong repulsion towards the idea of eating insects.
B2 noun /mɪl/

mill

Meaning
a building equipped with machinery for grinding grain or manufacturing goods
Example
The old flour mill has been converted into a museum.
C1 noun /mɪˈtrɒp.ə.lɪs/

Metropolis

Meaning
A very large city, especially the main city of a country or region
Example
New York is a bustling metropolis with millions of residents.
B2 noun ɪˈfɪʃ.ən.si

efficiency

Meaning
The state or quality of being efficient; achieving maximum productivity with minimum wasted effort or expense.
Example
Efficiency in communication is crucial for businesses.
B2 noun /ˈter.ər.ɪ.zəm/

Terrorism

Meaning
the unlawful use of violence and intimidation against civilians for political aims
Example
The government increased security measures to prevent terrorism.
C1 noun /ˈbreɪkər/

breaker

Meaning
A person or thing that breaks something; a large sea wave that breaks into foam near the shore; a device that interrupts an electric circuit.
Example
The breaker tripped during the storm, cutting off electricity.
B2 noun ˈme.trɪks

metrics

Meaning
A system or standard of measurement; a set of numbers that give information about a particular process or activity.
Example
Metrics are crucial for evaluating performance.
C1 noun /ɪˈlɛk.trəʊ.laɪts/

electrolytes

Meaning
Minerals in body fluids that carry an electric charge and are essential for many bodily functions.
Example
Electrolytes help maintain proper fluid balance in the body.
B2 verb /kənˈtɛnd/

contend

Meaning
to strive or compete for something; to assert earnestly
Example
Athletes from around the world contend for the championship.
C1 noun /ˌæntɪˈsiːdənt/

antecedent

Meaning
something that came before; a previous event, condition, or cause
Example
The cultural antecedents of this festival go back centuries.
B1 adjective /ˈklæsɪk/

classic

Meaning
Judged over a period of time to be of the highest quality and outstanding of its kind.
Example
That movie is a classic example of 90s comedy.
C1 adjective prəˈtræk.tɪd

protracted

Meaning
Lasting for a long time or longer than expected or usual.
Example
The negotiations were protracted over months.
C2 noun /ˈkjʊriˌoʊ/

curio

Meaning
a small unusual or interesting object, often collected for its rarity
Example
She bought a curio from the antique shop.
B2 noun /ˈpɔːt.fəʊ.li.əʊ/

portfolio

Meaning
A collection of work or samples demonstrating skills and expertise.
Example
His portfolio showcased his diverse range of skills.
B2 noun /ˈpær.ə.dɒks/

paradox

Meaning
A seemingly contradictory statement or situation that may be true; an apparent inconsistency.
Example
The paradox of freedom is that it requires rules.
B2 noun /prəˈvɪʒ.ən/

Provision

Meaning
supplies of food and other necessary things; arrangement or preparation
Example
The government made provision for emergency supplies during the flood.
C2 adjective /ˌhɑːrdˈbɪtn̩/

hard-bitten

Meaning
tough and experienced, not easily affected by emotions or hardship
Example
The hard-bitten detective showed no sign of surprise at the crime scene.
C2 noun/verb /ˈkætˌkɔːl/

catcall

Meaning
A loud whistle or shout of disapproval or sexual harassment directed at someone.
Example
The actress ignored the catcalls from the crowd.
C2 adjective /ˈpʌkɪʃ/

puckish

Meaning
playfully mischievous
Example
The child gave a puckish grin before hiding the toy.
C1 adjective /skəˈlæstɪk/

scholastic

Meaning
Relating to schools, education, or academic learning.
Example
The school organizes scholastic competitions every year.
C1 noun /ˈθɪk.ɪt/

Thicket

Meaning
a dense group of bushes or trees; a thick growth of shrubs
Example
The rabbit disappeared into the thicket.
C2 verb /ˈbækbaɪt/

backbite

Meaning
to speak negatively about someone who is not present; to slander behind someone’s back
Example
It is wrong to backbite your colleagues behind their backs.
A1 adjective /twɛlv/

twelve

Meaning
the number equivalent to 12
Example
There are twelve months in a year.
C1 noun /ˈtʃænsələr/

chancellor

Meaning
A senior state or legal official, or the head of a university.
Example
The chancellor delivered an inspiring speech at the graduation ceremony.
C2 noun /ˌfɑːsfəˈrɛsəns/

phosphorescence

Meaning
the property of emitting light without noticeable heat
Example
The deep-sea creatures displayed a beautiful phosphorescence.
C2 verb /rɪˈkwaɪt/

requite

Meaning
to return or repay a favor, service, or feeling
Example
She requited his kindness with a thoughtful gift.
C1 verb /əˈsɪm.ɪ.leɪt/

assimilate

Meaning
To take in and understand fully; to absorb and integrate into one's knowledge or culture.
Example
Immigrants often struggle to assimilate into a new culture.
C1 verb /kənˈtɛkstʃuəlaɪz/

contextualize

Meaning
to place something in a context or interpret it in relation to its surroundings
Example
The teacher contextualized the historical event to make it more relevant for students.
C2 adjective /trænsˈfjuːzəbl̩/

transfusible

Meaning
capable of being transfused, especially referring to blood or fluids
Example
Only transfusible blood types are used in the hospital.
B2 noun ˈbaɪ.əs

bias

Meaning
Prejudice in favor of or against one thing, person, or group compared with another, usually in a way considered to be unfair.
Example
The judge must remain free from bias.
C1 noun /ˈpɔːrsəlɪn/

porcelain

Meaning
A white, hard ceramic material often used for dishes and ornaments.
Example
The museum displayed ancient porcelain vases from China.