oxygen production
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B2 noun ˈɒksɪdʒən prəˈdʌkʃən

oxygen production

Meaning
The process of generating oxygen through photosynthesis or other means.
Example
Plants are vital for oxygen production and the maintenance of life.
B2 noun /ˌmɒd.ən.aɪˈzeɪ.ʃən/

modernization

Meaning
The process of adapting something to modern needs or habits.
Example
Modernization of industries reduces pollution.
B1 noun /lɔːn/

Lawn

Meaning
an area of short, regularly mown grass in the grounds of a house or in a park
Example
She waters the lawn every morning.
C1 noun /ˈnɛm.ə.sɪs/

nemesis

Meaning
A long-standing rival or an inescapable agent of downfall.
Example
For years, he considered his colleague to be his nemesis.
C1 adjective /ɪˈledʒ.ə.bəl/

illegible

Meaning
Not clear enough to be read; unreadable.
Example
The doctor’s handwriting was almost illegible.
B2 noun /dʒet/

Jet

Meaning
a rapid stream of liquid, gas, or flame; an aircraft powered by jet engines
Example
The jet took off smoothly and reached cruising altitude quickly.
C1 verb /ˈfɔːrfɪt/

forfeit

Meaning
to lose or give up something, usually as a penalty for wrongdoing
Example
He had to forfeit the match after breaking the rules.
C2 noun /ˌæv.oʊˈkeɪ.ʃən/

avocation

Meaning
a hobby or minor occupation pursued in addition to one's main work
Example
Painting is his avocation after office hours.
B2 noun ˌæl.ɪˈɡeɪ.ʃənz

allegations

Meaning
Claims or assertions that someone has done something illegal or wrong, typically without proof.
Example
The allegations were investigated by an international body.
B2 adjective /ˈkwɑːn.tɪ.teɪ.tɪv/

Quantitative

Meaning
relating to quantity or amount; expressed in terms of numbers or measurements
Example
The study provides quantitative evidence of climate change effects.
C2 noun /lɔːˈdeɪʃən/

laudation

Meaning
The act of praising or expressing approval.
Example
The poet received much laudation for his moving verses.
C2 noun /əˈsɛt.ɪˌsɪz.əm/

asceticism

Meaning
The practice of severe self-discipline and abstaining from indulgence, typically for religious or spiritual reasons.
Example
Asceticism has been a part of many religious traditions throughout history.
A1 noun /hoʊˈtɛl/

hotel

Meaning
A building where people pay to stay and sleep, usually for short periods.
Example
We stayed at a hotel near the beach.
C2 adjective /ˌhaɪpərˈkrɪtɪkl/

hypercritical

Meaning
Excessively or unreasonably critical.
Example
The teacher was often hypercritical of small mistakes.
C1 verb /dɪsˈɑːrm/

disarm

Meaning
to take weapons away from someone; to make someone feel less hostile
Example
The soldiers were ordered to disarm the rebels.
A1 noun /ˈʃʊɡər/

Sugar

Meaning
sweet crystalline substance used as a sweetener
Example
Please add two teaspoons of sugar to my coffee.
B2 noun /ˈbɛərɪŋ/

bearing

Meaning
a person's way of standing or moving; relevance or connection to something
Example
Her calm bearing impressed everyone in the room.
A2 noun /ɡəˈrɑːʒ/

Garage

Meaning
a building or space for housing a motor vehicle; a commercial establishment for repairing motor vehicles
Example
He parked his car in the garage to protect it from the hailstorm.
B2 noun /den/

Den

Meaning
a wild animal's lair or home; a small, comfortable room; a place for illegal activities
Example
The fox disappeared into its den when it sensed danger approaching.
C1 adverb /ˈmerɪli/

Merrily

Meaning
in a cheerful and joyful manner
Example
The children played merrily in the garden.
A1 verb /bɪˈkʌm/

become

Meaning
to grow to be; to come to be
Example
She became a doctor after years of study.
C1 noun /ˈkaʊn.tər kleɪm/

counter-claim

Meaning
a claim made to rebut a previous claim, often in legal contexts
Example
The defendant filed a counter-claim against the plaintiff.
B1 verb অকার্স

occurs

Meaning
Happens or takes place, especially as a result of something.
Example
Snowfall occurs in regions with freezing temperatures.
C1 noun /əˈsem.bli ˈseʃ.ən/

assembly session

Meaning
A formal meeting where representatives gather to discuss and make decisions on important matters.
Example
The assembly session discussed global challenges.
A2 adverb /ˈmoʊstli/

Mostly

Meaning
mainly; for the most part; usually
Example
The students are mostly from local schools.
A1 pronoun /ɪt/

it

Meaning
used to refer to a thing, animal, or idea previously mentioned or easily identified
Example
It is raining outside.
C1 noun /hɑːrp/

Harp

Meaning
a large triangular musical instrument with strings that are plucked
Example
The angel played a beautiful melody on the harp.
B2 noun /prəˈpɔːʃən/

proportion

Meaning
a part, share, or number considered in comparative relation to a whole
Example
The proportion of students passing the exam was high.
C1 noun /ˈkɒnsəl/

consul

Meaning
an official appointed by a government to live in a foreign city and protect its citizens and interests there
Example
The consul assisted travelers who lost their passports.
C2 adjective /əbˈsiːkwɪəs/

obsequious

Meaning
Excessively obedient or attentive in a servile way.
Example
The waiter gave an obsequious bow to every customer.
B2 noun /ˈkænjən/

canyon

Meaning
A deep gorge, typically one with a river flowing through it.
Example
The Colorado River carved the Grand Canyon over millions of years.
C2 adjective /rɪˈfrɪndʒənt/

refringent

Meaning
Capable of refracting light or other waves.
Example
The refringent properties of the crystal bent the light into a spectrum.
C1 noun /ˈpoʊl.stɑːr/

Polestar

Meaning
a bright star that appears to stay in the same position in the sky and is used for navigation
Example
Sailors used the polestar to navigate across the ocean.
C2 noun /ˈæl.baɪt/

albite

Meaning
A white or colorless mineral of the feldspar group, often found in igneous rocks.
Example
Geologists discovered albite crystals in the rock sample.
B2 adjective /mæɡˈnɛtɪk/

magnetic

Meaning
having the power to attract metal objects or to attract people or things in a strong way
Example
The magnetic field of the Earth protects us from harmful solar radiation.
C1 adjective /ˌoʊvərˈrɔt/

overwrought

Meaning
extremely agitated or nervous; excessively elaborate
Example
She was too overwrought to speak clearly after the accident.
C2 noun /ˈækmi/

acme

Meaning
the highest point of achievement or excellence
Example
Winning the award was the acme of his career.
B2 noun /ɪnˌvaɪrənˈmɛntəl ˈmuːvmənt/

environmental movement

Meaning
A social or political movement aimed at protecting the environment and promoting sustainable practices through advocacy, education, and policy changes.
Example
The environmental movement focuses on reducing pollution and protecting ecosystems.
C2 noun /hɔːɡ plʌm/

Hog plum

Meaning
tropical fruit with yellow skin and sour taste
Example
Hog plums are often used to make pickles and chutneys.
B2 noun /ˈfɔːrmjələ/

formula

Meaning
a fixed method for doing something; a mathematical or chemical rule expressed in symbols
Example
The scientist discovered a new formula for the medicine.
B2 adjective /ˈænɪmeɪtɪd/

animated

Meaning
Full of life or excitement; made using animation techniques.
Example
The animated film was loved by children and adults alike.
B2 noun /ˈmɔɪs.tʃər/

Moisture

Meaning
water or dampness that exists in small amounts in the air or on a surface
Example
The skin cream helps retain moisture.
B2 adjective /ˌʌnkənˈtroʊld/

uncontrolled

Meaning
not restrained or managed; lacking control
Example
The wildfire spread in an uncontrolled manner, causing widespread damage.
A2 noun /piˈænoʊ/

Piano

Meaning
a large keyboard musical instrument with black and white keys that produces sound by striking strings with hammers
Example
The little girl practiced piano for one hour every day.
C1 adjective ʌnˈtʃɑːtɪd

uncharted

Meaning
Not mapped or surveyed; unknown or unexplored.
Example
The mission aimed to explore uncharted areas of the planet.
B2 adjective, noun /ˈɛəriəl/

aerial

Meaning
As an adjective: existing or happening in the air. As a noun: an antenna for receiving radio or television signals.
Example
The pilot performed an amazing aerial maneuver.
C2 verb /ˈɡʌzəl/

guzzle

Meaning
to drink greedily or excessively
Example
He guzzled three cans of soda in a few minutes.
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.
A1 pronoun /aʊərz/

ours

Meaning
belonging to or associated with us
Example
This victory is ours.
C2 noun /hʌsk/

husk

Meaning
the dry outer covering of some fruits or seeds
Example
The corn husk was peeled away before cooking.
B2 noun /ɪnˈtɛnt/

intent

Meaning
the purpose or reason behind an action; a strong determination to do something
Example
Her intent was to improve the quality of education in the community.
C1 adjective /ɪnˈdʌldʒənt/

indulgent

Meaning
Having a tendency to be overly generous or lenient with someone.
Example
The indulgent mother allowed her child to stay up late.
B2 noun ɪnˈfleɪʃən

inflation

Meaning
A general increase in prices and fall in the purchasing value of money.
Example
Inflation erodes the purchasing power of consumers.
C1 adjective /ɪˈnɔːɡjərəl/

Inaugural

Meaning
marking the beginning of something; first; opening
Example
The president delivered his inaugural speech.
B2 verb /ˈkʌltɪveɪt/

cultivate

Meaning
to grow crops or plants; to develop or improve something
Example
Farmers cultivate rice in the paddy fields.
B2 verb /mɜːrdʒ/

merge

Meaning
to combine or join together; to blend into one
Example
The two companies decided to merge to increase their market share.
C1 adjective /praɪˈmɔːrdiəl/

primordial

Meaning
Existing at or from the beginning of time; fundamental and original.
Example
Scientists study the primordial soup from which life emerged.
B2 noun /ɡʌlf/

Gulf

Meaning
a deep inlet of the sea almost surrounded by land; a wide gap or difference between people or groups
Example
The Persian Gulf is an important waterway for international shipping and oil transport.
C2 verb /ˈsʌli/

sully

Meaning
to damage the purity, integrity, or reputation of something
Example
The scandal sullied the politician’s reputation.
C1 verb /daɪˈvɛst/

divest

Meaning
to strip away possessions, rights, or assets; to rid oneself of
Example
The company decided to divest its unprofitable division.
A2 noun /ˈɑːrtɪkl/

article

Meaning
a piece of writing included in a newspaper, magazine, or journal
Example
He wrote an article about climate change.
B2 adverb /ˈwɔːm.li/

Warmly

Meaning
in a warm manner; with warmth; cordially; affectionately
Example
She welcomed the guests warmly at the door.
C1 noun /kənˈfaɪnmənt/

confinement

Meaning
the state of being confined or restricted
Example
The prisoner endured years of confinement.
B1 noun /trʌŋk/

Trunk

Meaning
a large box or chest, typically used for storage or travel
Example
She packed her clothes in the trunk.
B1 noun /ɡɪlt/

Guilt

Meaning
a feeling of having committed wrong or failed in an obligation; responsibility for wrongdoing
Example
She felt overwhelming guilt after forgetting her mother's birthday.
C1 /ˈdʒɛtɪsən/

jettison

Meaning
to throw or drop something from a ship, aircraft, or vehicle to lighten the load; to abandon something no longer wanted
Example
The crew had to jettison cargo to save the sinking ship.
B1 adjective /ˈfɒɡi/

foggy

Meaning
Full of or covered with fog; unclear or hazy.
Example
The mountain road was dangerous on the foggy morning.
C2 noun /ˈpriːsɛpt/

precept

Meaning
A general rule intended to regulate behavior or thought.
Example
Honesty is a fundamental precept in all religions.
C2 noun /ˌtrænspəˈzɪʃən/

transposition

Meaning
the act of changing the order or position of something
Example
The transposition of digits caused an error in the calculation.
C1 adjective /səbˈmɪs.ɪv/

Submissive

Meaning
ready to obey others; yielding to authority; humble and compliant
Example
She became submissive after years of harsh treatment.
C2 noun /bɛl/

belle

Meaning
A beautiful woman, especially the most attractive woman at a gathering.
Example
She was the belle of the ball that evening.
B1 noun /hjuːˈmænɪti/

humanity

Meaning
the quality of being human; kindness or compassion towards others; all human beings collectively
Example
Kindness is one of the greatest expressions of humanity.
A1 conjunction /ðæn/

than

Meaning
used to introduce the second element in a comparison
Example
She is taller than her brother.
C2 verb /ˈlɪk.wɪ.faɪ/

liquefy

Meaning
to make or become liquid
Example
The heat will liquefy the butter in a few minutes.
C2 adjective /ˈvælərəs/

valorous

Meaning
showing great courage and bravery
Example
The valorous soldier led his troop into battle without hesitation.
C1 noun/verb /dɪsˈdeɪn/

disdain

Meaning
The feeling that someone or something is unworthy of respect; to regard with contempt.
Example
She looked at the messy room with open disdain.
C2 noun /dɪˌsɪdəˈreɪtəm/

desideratum

Meaning
something that is desired or considered necessary
Example
For many students, financial aid is a desideratum.
C2 verb /dɪˈkæmp/

decamp

Meaning
To depart suddenly or secretly, often to avoid trouble or escape.
Example
The thief decamped before the police arrived.
C1 noun /rɪˈsɜː.dʒəns/

resurgence

Meaning
An increase or revival after a period of little activity, popularity, or occurrence.
Example
The city saw a resurgence in tourism after the pandemic.
A2 noun /ˈpɑːrkɪŋ/

parking

Meaning
the action or practice of leaving a vehicle in a particular place for a period of time
Example
There was no available parking near the restaurant.
B2 adverb /əˈfɪʃəli/

officially

Meaning
in a formal or authorized way
Example
The building was officially opened by the mayor.
B2 noun /næˈreɪʃən/

narration

Meaning
The act of telling a story or describing events in detail.
Example
The movie’s narration was done by a famous actor.
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.
C1 verb /ˈrʌm.ɪdʒ/

rummage

Meaning
to search through something in a disorderly way
Example
He rummaged through the drawer for his keys.
C1 verb, adjective, noun /spruːs/

spruce

Meaning
to make neat or tidy in appearance; also refers to an evergreen tree
Example
He spruced up his room before the guests arrived.
C1 noun /ˈæmplɪtjuːd/

amplitude

Meaning
the maximum extent of a vibration or oscillation, or the size of something
Example
The amplitude of the earthquake was measured on the Richter scale.
C2 noun /ˈmæk.rəˌkɒz.əm/

macrocosm

Meaning
The whole universe considered as a large, complex system; a large-scale representation of something.
Example
The macrocosm of the universe reflects the microcosm of human life.
C1 noun /æbˈdʌk.ʃən/

abduction

Meaning
the act of taking someone away illegally by force; kidnapping
Example
The police are investigating the abduction of the child.
C1 verb /ˈpɜːrpɔːrt/

purport

Meaning
to claim or profess something, often falsely
Example
The document purports to be an official government report.
C2 adjective /ˈmɛtəlˌsʌm/

mettlesome

Meaning
Full of courage and spirit; lively and spirited.
Example
The mettlesome young rider never backed down from a challenge.
C2 noun /ˈmeɪvən/

maven

Meaning
an expert or connoisseur in a particular field
Example
He is a tech maven who always knows the latest trends.
B2 noun /ˈæɡ.ə.ni/

Agony

Meaning
extreme physical or mental suffering; intense pain
Example
He was in agony after the accident.
C1 verb /ˈrɛzəneɪt/

resonate

Meaning
To produce or be filled with a deep, full, and reverberating sound; to evoke a feeling or memory.
Example
Her words resonated with the audience.
C2 noun /ˈæbɪs/

abbess

Meaning
the woman in charge of a convent of nuns
Example
The abbess welcomed the visitors to the convent.
B2 noun daɪˈvɜːsɪti

diversity

Meaning
The state of being diverse; variety.
Example
Biodiversity promotes ecosystem stability and resilience.
C2 adjective /ˌɛl.ɪˈdʒaɪ.ək/

elegiac

Meaning
Expressing sorrow, often for something past; resembling an elegy.
Example
The novel ends on an elegiac note, mourning the lost era.
C1 adjective /ɪnˈstɪŋk.tɪv/

instinctive

Meaning
Based on instinct; done without conscious thought; natural and automatic.
Example
His instinctive reaction saved his life.
C1 adjective /ɪmˈpɜːrsənl/

impersonal

Meaning
not influenced by, showing, or involving personal feelings; lacking human warmth or emotion
Example
The letter was written in a very impersonal style.
C1 verb /əˈkrɛdɪt/

accredit

Meaning
to officially recognize, authorize, or approve someone or something
Example
The university is accredited by the national education board.
B2 noun /bædʒ/

badge

Meaning
A small emblem or sign worn to show membership, authority, or achievement.
Example
The police officer showed his badge to identify himself.
C1 noun /kənˈkʌrəns/

concurrence

Meaning
Agreement or union in action, opinion, or occurrence; simultaneous happening of events.
Example
The project was completed with the concurrence of all departments.
B2 noun/verb /ˈsoʊ.ɪŋ/

sewing

Meaning
The activity or skill of joining fabric using a needle and thread
Example
She enjoys sewing her own clothes on weekends.
B1 noun /ˈneɪʃən/

nation

Meaning
a large group of people united by common descent, history, culture, or language
Example
The nation celebrated its independence day with pride.
C2 noun /ˈpɑːrvənuː/

parvenu

Meaning
A person who has recently gained wealth or influence but is not yet accepted socially.
Example
He was seen as a parvenu who lacked refinement despite his riches.
B1 adjective /ˈrel.ə.vənt/

Relevant

Meaning
closely connected or appropriate to what is being discussed; pertinent
Example
Please provide only relevant information for this discussion.
C1 adjective /ˌaɪdiəˈlɪstɪk/

Idealistic

Meaning
pursuing high principles or ideals; unrealistically optimistic
Example
She has an idealistic view of changing the world.
C2 adjective /dʒɪˈdʒuːn/

jejune

Meaning
Naive, simplistic, and superficial; also dull or uninteresting.
Example
The professor dismissed the essay as jejune and lacking depth.
C2 verb /ˈdʒɜːrnəlaɪz/

journalize

Meaning
to record daily transactions or events in a journal, especially in accounting
Example
The accountant will journalize all financial transactions at the end of the day.
C1 adjective /ɪˈmɜːrdʒənt/

emergent

Meaning
just coming into existence or becoming prominent
Example
The emergent startup quickly attracted investors.
B2 noun /prəˈseʃ.ən/

Procession

Meaning
a group of people or vehicles moving forward in an organized way, especially as part of a ceremony
Example
The wedding procession walked slowly to the church.
B2 noun/verb /ɔːˈdɪʃən/

audition

Meaning
A trial performance by an actor, singer, or musician to demonstrate suitability for a role.
Example
She auditioned for the lead role in the school play.
C1 noun /rɑk sɔlt/

Rock Salt

Meaning
natural salt crystals formed from evaporated ancient seas; unrefined salt
Example
Rock salt is considered healthier than table salt.
C1 adjective /mʌnˈdeɪn/

mundane

Meaning
lacking interest or excitement; dull and ordinary
Example
She tried to escape her mundane routine by traveling.
C1 adjective /ˈpɒs.tʃə.məs/

Posthumous

Meaning
occurring or continuing after death; published after the author's death
Example
The author received a posthumous award for his last novel.
B2 noun /ˈmɛkəˌnɪzəm/

mechanism

Meaning
A system of parts working together in a machine; a process or technique for achieving something.
Example
The mechanism of the clock stopped working after years of use.
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.
C1 adjective /ˈtʌf.tɪd/

Tufted

Meaning
having a tuft or tufts; furnished with a tuft or clump of threads, hairs, or other material
Example
The tufted sofa looked elegant in the living room.
C2 adjective /ˈdʒɒkənd/

jocund

Meaning
cheerful and lighthearted
Example
They walked together in a jocund mood after the celebration.
C2 noun /sʌnd raɪs/

Sunned rice

Meaning
Rice that has been dried in the sun; parched rice
Example
The farmers spread the sunned rice on mats to dry completely.
B2 noun; verb /breɪs/

brace

Meaning
a device that supports or strengthens something; to prepare mentally or physically for something difficult
Example
She braced herself for the strong wind.
A2 adverb /ˈnɔːməli/

Normally

Meaning
in the usual way; under normal circumstances
Example
I normally wake up at 7 AM every day.