calibration
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C1 noun ˌkæl.ɪˈbreɪ.ʃən

calibration

Meaning
The action or process of adjusting or determining the accuracy of measuring instruments.
Example
The accuracy of a scale depends on regular calibration.
B2 verb /ˈmɒdənaɪz/

modernize

Meaning
To adapt something to modern needs or styles; to update or improve.
Example
The company plans to modernize its IT infrastructure.
C2 noun /ˌɪnkrɪˈdjuːləti/

incredulity

Meaning
the state of being unwilling or unable to believe something
Example
She looked at him with incredulity after hearing the strange story.
A2 adjective ˈæv.ər.ɪdʒ

average

Meaning
A number expressing the central or typical value in a set of data; constituting the result obtained by adding together several amounts and then dividing this total by the number of amounts.
Example
The average score reflects overall performance.
A1 adjective /dʒʌst/

Just

Meaning
fair; righteous; morally right; appropriate
Example
The judge made a just decision in the case.
A1 adjective /ɪmˈpɔː.tənt/

important

Meaning
Of great significance or value; likely to have a profound effect on success, survival, or well-being.
Example
Important steps must be taken to address pollution.
B2 verb /klæʃ/

clash

Meaning
to come into conflict or collision with something or someone.
Example
The two cars clashed in the intersection.
C1 verb /daʊs/

douse

Meaning
to pour liquid over; to extinguish a fire or light
Example
Firefighters doused the flames with water.
B2 noun /dʒʌŋk/

Junk

Meaning
old or discarded articles that are considered useless or of little value; things of poor quality
Example
He cleaned out the garage and threw away all the old junk.
C2 noun ˈsɒmnələns

somnolence

Meaning
A state of drowsiness or sleepiness; inclination to sleep.
Example
The somnolence after a heavy meal made it hard to concentrate.
C1 verb /deɪz/

daze

Meaning
to stun or confuse someone temporarily with a shock or surprise
Example
The bright lights dazed the runners as they entered the stadium.
C2 verb /rɪˈɡeɪl/

regale

Meaning
To entertain or amuse someone with stories, food, or drink.
Example
He regaled us with stories of his travels around the world.
B2 adjective /ˈrɪtʃ.u.əl/

Ritual

Meaning
relating to religious or ceremonial practices
Example
The wedding ceremony included many traditional ritual elements.
B2 noun /ˈaɪkɒn/

icon

Meaning
A person or thing regarded as a symbol of something, or a graphic symbol on a screen.
Example
The singer became a cultural icon.
A2 adjective /ˈkʌlərfəl/

colorful

Meaning
having bright colors; full of variety or interest
Example
The festival was full of colorful decorations.
C2 noun əˌdʌl.təˈreɪ.ʃən

adulteration

Meaning
The action of making something poorer in quality by the addition of another substance.
Example
Adulteration of food is a serious health risk.
B2 verb /ˈkɒm.plɪ.keɪt/

complicate

Meaning
To make something more difficult or confusing.
Example
The new rules will only complicate the process.
B2 adjective /ˈpʌz.lɪŋ/

Puzzling

Meaning
confusing; perplexing;
Example
The scientist found the results puzzling.
A2 noun /ˈel.ɪ.fənt/

Elephant

Meaning
a very large gray mammal with long curved teeth and a long nose called a trunk
Example
The elephant is the largest land animal in the world.
C1 noun /ˈfʌŋɡəs/

fungus

Meaning
a spore-producing organism feeding on organic matter, including molds, yeast, and mushrooms
Example
A strange fungus was growing on the old tree.
A2 noun /klʌb/

club

Meaning
an organization of people with a common interest; also a place for social gatherings or entertainment
Example
He joined the local tennis club to meet new people.
C1 noun /trænsˈfjuːʒən/

transfusion

Meaning
the process of transferring blood or another fluid into a person's vein
Example
The patient received a blood transfusion after the accident.
A2 adjective /θɪn/

Thin

Meaning
having little thickness; not thick; slender
Example
She wore a thin jacket in the cold weather.
A1 noun /stɑːr/

Star

Meaning
a fixed luminous point in the night sky that produces light and heat through nuclear fusion
Example
Thousands of stars are visible in the clear night sky.
B2 verb /ɪnˈkaʊntər/

encounter

Meaning
to unexpectedly meet someone or experience something, especially something difficult or new
Example
During the hike, we encountered a wild bear.
C1 adjective /ˌɪnəˈfɛnsɪv/

inoffensive

Meaning
Not likely to offend or provoke; harmless.
Example
His inoffensive remarks kept the conversation friendly.
C1 verb /ɪˈdʒɛkt/

eject

Meaning
to force someone or something out, usually from a place or position
Example
The referee had to eject the player for unsportsmanlike behavior.
B2 noun /ˈɡləʊ.bəl piːs/

global peace

Meaning
Worldwide harmony and absence of conflict between nations.
Example
Global peace requires collective efforts.
C2 adjective /ˈdekərəs/

decorous

Meaning
showing proper and polite behavior; marked by good taste
Example
The audience gave a decorous applause after the performance.
B1 adjective dɪˈleɪd

delayed

Meaning
Late or postponed; happening later than planned or expected.
Example
The Artemis mission was delayed due to technical challenges.
C1 verb /ˈbəʊl.stər/

bolster

Meaning
To support or strengthen; to prop up.
Example
The new policy aims to bolster economic growth.
A2 verb, noun /drɒp/

drop

Meaning
to let something fall; a small quantity of liquid
Example
Be careful not to drop your phone.
B2 noun /səˈspɪʃən/

Suspicion

Meaning
a feeling or thought that someone is guilty of an illegal or dishonest activity
Example
The police arrested him on suspicion of theft.
C2 noun /ˌfoʊˈtɑːmɪtər/

photometer

Meaning
an instrument for measuring the intensity of light
Example
The scientist used a photometer to measure the light in the laboratory.
B2 verb /səˈrɛndər/

surrender

Meaning
to give up or yield to an opponent or authority
Example
The army finally surrendered after weeks of fighting.
B1 adjective /ˈkæʒ.u.əl/

Casual

Meaning
relaxed and unconcerned; happening by chance; informal
Example
He wore casual clothes to the party.
B1 noun /ˈkriːtʃər/

creature

Meaning
A living being, especially an animal.
Example
The forest is full of strange creatures.
B2 noun /pɪt/

pit

Meaning
a large hole in the ground or a hollow area
Example
The workers dug a deep pit to build the foundation.
C2 noun /ˈaɪ.ərn.wʊd/

Ironwood

Meaning
a hard, dense wood from various trees; also the tree itself that produces small flowers
Example
The ironwood tree blooms with tiny white flowers.
C2 verb /bɪˈtəʊkən/

betoken

Meaning
to be a sign or indication of something
Example
Dark clouds betoken an approaching storm.
B2 noun ˈprɑː.sest fuːdz

processed foods

Meaning
Foods that have been altered from their natural state through various methods such as canning, freezing, refrigeration, dehydration and aseptic processing.
Example
Excessive consumption of processed foods leads to health issues.
C2 noun mʌnˈdeɪ.nɪ.ti

mundanity

Meaning
The quality of being ordinary, routine, or lacking excitement.
Example
The mundanity of office life can be exhausting.
C1 noun /əˌtɜːni ˈdʒɛnərəl/

attorney-general

Meaning
The chief legal officer of a state or country.
Example
The attorney-general announced new reforms to strengthen justice.
B2 noun /ˌsɜːrtɪfɪˈkeɪʃən/

certification

Meaning
the process of officially recognizing or confirming that something or someone meets required standards; an official document proving qualification
Example
She received her professional certification after completing the training program.
B2 noun /djuː/

Dew

Meaning
tiny drops of water that form on cool surfaces at night when atmospheric water vapour condenses
Example
The morning dew glistened on the grass.
C2 noun /əˈdjuː/

adieu

Meaning
A farewell or goodbye, often used in a formal or poetic sense.
Example
She bid her friends adieu before leaving for France.
C1 adjective /ˈænsɪləri/

ancillary

Meaning
providing necessary support to the main system or organization
Example
The company provides ancillary services to the healthcare industry.
B2 noun /ˌrek.riˈeɪ.ʃən/

Recreation

Meaning
an activity that is done for enjoyment; the process of making something exist again
Example
The park provides recreation facilities for children and adults.
A2 noun /seɪl/

sale

Meaning
the exchange of a commodity for money; the action of selling something
Example
The store is having a sale on winter clothing.
C1 verb; noun /beltʃ/

belch

Meaning
to expel air noisily from the stomach through the mouth; to emit or pour out suddenly and forcefully
Example
After drinking the soda, he belched loudly.
B1 noun /ˈpɑːrləmənt/

parliament

Meaning
the highest legislative body in a country
Example
The bill was passed in parliament after a long debate.
C2 noun /əˈmʊr/

amour

Meaning
A secret or illicit love affair.
Example
The novel tells the story of a forbidden amour between two characters.
C1 verb /ˈspɪərˌhɛd/

spearhead

Meaning
to lead or initiate an action, project, or movement
Example
She spearheaded the campaign for environmental awareness.
B2 noun /dɪˈsep.ʃən/

Deception

Meaning
the action of deceiving someone; the state of being deceived
Example
The magician's deception amazed the audience with seemingly impossible tricks.
C2 adjective /ˌɪnsəˈpɔːrtəbl̩/

insupportable

Meaning
Too extreme or difficult to be endured.
Example
The heat was insupportable during the long journey.
C2 adjective /suːˈpɜːrnəl/

supernal

Meaning
Relating to the heavens; celestial or divine.
Example
The painting captured a supernal beauty that felt otherworldly.
A2 noun /ˈpɑːswɜːd/

password

Meaning
a secret word or phrase used to gain access to something
Example
Make sure your password is strong and unique.
A1 verb /ˈkæri/

carry

Meaning
To support and move something or someone from one place to another.
Example
She carried the bag across the street.
C2 adjective /ˌpəʊstˈprændɪəl/

postprandial

Meaning
Occurring after a meal.
Example
He went for a postprandial walk after dinner.
B1 adjective /brɔːd/

Broad

Meaning
wide; extensive; covering a large area
Example
The river is very broad at this point.
B2 noun /əˈvɔɪdəns/

avoidance

Meaning
the act of staying away from something; deliberate prevention of contact or confrontation
Example
Avoidance of difficult conversations can create bigger problems later.
A2 verb /ˈkʌv.ərd/

covered

Meaning
Protected by being placed over or wrapped; hidden from view.
Example
The forest is covered in greenery.
C1 noun /ˈɡreɪ.haʊnd/

Greyhound

Meaning
a tall, thin dog with long legs that can run very fast
Example
The greyhound won the race at the dog track.
C1 noun /səˈprɛʃən/

suppression

Meaning
the act of forcibly stopping something or holding back feelings or actions
Example
The suppression of free speech led to protests.
B2 noun plɒt

plot

Meaning
The main story of a piece of writing, or the series of events that happen in it.
Example
The plot of A Tale of Two Cities is intense and gripping.
C1 adjective /ˌmɛtəˈfɔːrɪkəl/

metaphorical

Meaning
Characteristic of or relating to metaphor; figurative rather than literal.
Example
He used metaphorical language to describe his emotions.
B2 noun /ɪnˈtɜː.prə.tər/

Interpreter

Meaning
a person who translates orally from one language into another; someone who explains meaning
Example
The international conference hired professional interpreters to translate speeches in real time.
A1 noun ˈlæŋɡwɪdʒ

language

Meaning
A method of communication used by humans, consisting of spoken and written words structured in specific ways.
Example
Learning a new language can be exciting.
C1 noun /krʌtʃ/

crutch

Meaning
a support used by someone injured to walk; also something relied upon for support or help
Example
He had to use crutches after breaking his leg.
B1 noun /paɪp/

pipe

Meaning
a tube used for conveying liquids or gases
Example
The plumber fixed the broken pipe.
C1 noun prɪˈzɝː.və.tɪv

preservative

Meaning
A chemical substance that prevents decay, fermentation, or other natural processes that cause food deterioration.
Example
Artificial preservatives are harmful to health.
B1 adjective /ʌnˈwel/

Unwell

Meaning
not in good health; feeling sick or ill
Example
She has been feeling unwell since yesterday.
B2 noun /tʃɔːr/

chore

Meaning
A routine task, especially a household duty.
Example
Washing the dishes is my least favorite chore.
C2 noun /ˌpɛrəɡrɪˈneɪʃən/

peregrination

Meaning
A long journey or wandering, especially on foot.
Example
Their peregrination across Asia lasted two years.
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.
C1 verb /ˈʃækəl/

shackle

Meaning
to chain or restrain; to restrict someone’s actions or freedom
Example
Outdated regulations shackle small businesses and slow innovation.
B1 verb /spɛl/

spell

Meaning
to write or name the letters of a word in order; to mean or result in something
Example
Can you spell your name for me?
A2 noun /ˈfoʊldər/

folder

Meaning
a container or directory used to store and organize papers or digital files
Example
I saved all the photos in a separate folder.
B2 verb /ˈtɪkəl/

Tickle

Meaning
to touch someone lightly to make them laugh; to amuse or please
Example
The feather tickles when it touches your skin.
B2 noun ˌkɒm.prɪˈhɛn.ʃən

comprehension

Meaning
The ability to understand something; understanding or grasp of knowledge.
Example
Reading improves vocabulary and comprehension skills.
C1 noun /ˈsɪməli/

simile

Meaning
A figure of speech involving the comparison of one thing with another using 'like' or 'as'.
Example
She used a simile to describe her eyes as bright as stars.
A2 adjective /ˈbeɪ.sɪk/

Basic

Meaning
fundamental; essential; forming the foundation or starting point
Example
Learning basic English grammar is essential for beginners.
C1 adjective /ɪˈrɛvəkəbl/

irrevocable

Meaning
Not able to be revoked, changed, or undone.
Example
She made an irrevocable decision to leave the company.
C1 noun /dɪsˈɒn.ər/

Dishonour

Meaning
a state of shame or disgrace; lack of honor or integrity; failure to fulfill obligations
Example
Breaking his promise brought dishonour to his name and family legacy.
C1 noun /əˈkɜr.əns/

Occurrence

Meaning
an instance or event of something happening; the fact of occurring
Example
The occurrence of earthquakes is common in this region.
B1 noun /ˈpɔːtrət/

portrait

Meaning
a painting, drawing, photograph, or engraving of a person, especially one showing the face
Example
The artist painted a beautiful portrait of his wife.
B2 verb /ˌoʊvərˈpeɪ/

overpay

Meaning
To pay more than is necessary or reasonable.
Example
She realized she had overpaid for the concert tickets.
C2 adjective /dɪsˈkʌmfɪtɪŋ/

discomfiting

Meaning
Causing unease, embarrassment, or discomfort.
Example
His discomfiting questions made everyone shift uncomfortably in their seats.
C2 noun /tʃæf/

Chaff

Meaning
the husks of corn or other seed separated by winnowing; worthless things; light-hearted joking
Example
The farmer separated the wheat from the chaff using traditional methods.
B1 verb /ˈkwɒlɪfaɪ/

qualify

Meaning
to successfully complete a course or pass an exam; to become eligible
Example
She worked hard to qualify for the competition.
B2 noun smɔːl ˈɛfərt

Small Effort

Meaning
Minor actions or initiatives that can collectively make a significant impact.
Example
Small efforts can bring big changes in butterfly conservation.
A1 noun wɜːrdz

words

Meaning
A single distinct meaningful element of speech or writing, used with others to form communication.
Example
Learning new words expands vocabulary.
B2 adjective /ʃɪər/

Sheer

Meaning
complete; absolute; transparent; very steep
Example
It was sheer luck that we found the place.
A2 interjection /mˈhm/

mm-hmm

Meaning
A sound used to express agreement or acknowledgment in conversation.
Example
‘Do you understand?’ ‘Mm-hmm.’
B1 verb /sɪˈlekt/

select

Meaning
to choose from a number of alternatives; to pick out
Example
Please select your favorite color.
C2 adjective /ˈdɪstəl/

distal

Meaning
situated away from the center of the body or from the point of attachment
Example
The doctor examined the distal end of the patient’s arm.
C1 adjective /ˈfrɪvələs/

frivolous

Meaning
Not having any serious purpose or value; silly or unimportant.
Example
She dismissed the frivolous complaint quickly.
C1 noun /sɪr/

seer

Meaning
A person who is supposed to be able to see what will happen in the future; a prophet.
Example
The seer predicted a great change in the kingdom.
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.
C1 verb /ˈməʊbɪlaɪz/

mobilize

Meaning
to organize or prepare people or resources for action
Example
The leader worked hard to mobilize the community for the protest.
C2 noun /ˈpær.əkˌsɪz.əm/

paroxysm

Meaning
A sudden, violent outburst of emotion or activity.
Example
She was seized by a paroxysm of laughter.
A2 noun /ruːl/

rule

Meaning
an accepted principle or instruction that states what is allowed or what must be done.
Example
There are strict rules about safety in the lab.
C1 noun /ˈpɛnənt/

pennant

Meaning
A tapering flag used for signaling or as an emblem of victory or achievement.
Example
The team raised the championship pennant proudly.
C1 noun /ˌlaɪ.sənˈsiː/

Licensee

Meaning
a person or organization that holds a license to do something
Example
The licensee is responsible for following all regulations.
B1 verb səˈpɔːrtɪŋ

supporting

Meaning
Giving assistance to; helping to bear the weight of something.
Example
Supporting education initiatives helps reduce child labour.
B2 noun /ˈlɪstɪŋ/

listing

Meaning
a series of items or names written or printed in a specific order
Example
The listing of available jobs was updated daily.
A2 noun/verb/adjective /ˈsʌbdʒɪkt/ (noun), /səbˈdʒɛkt/ (verb)

subject

Meaning
noun: a topic or theme; verb: to cause to undergo; adjective: dependent or under authority
Example
The teacher introduced a new subject in class.
B2 adjective ˌiːkəˈlɒdʒɪkəl

ecological

Meaning
Relating to ecology or the environment.
Example
Deforestation threatens the ecological balance of the planet.
C2 noun /ˈweɪvlət/

wavelet

Meaning
a small wave or ripple on the surface of water or another medium
Example
The pond was disturbed only by the tiny wavelets caused by the breeze.
C2 verb /ˈæd.l̩/

addle

Meaning
To confuse or muddle someone’s mind.
Example
The complicated instructions only served to addle him.
B2 verb /triːd/

tread

Meaning
to step or walk on something; to crush with feet
Example
Don't tread on the flowers.
C1 verb /ˈprɒfəsaɪ/

prophesy

Meaning
to state or predict that something will happen in the future, especially as if divinely inspired
Example
The monk prophesied that peace would return to the land.
C1 noun /rɪˈpɔːrtɪʒ/

reportage

Meaning
the act of reporting news or describing events in the media
Example
The magazine is known for its detailed reportage of political issues.
C2 adjective /svelt/

svelte

Meaning
Attractively thin, graceful, and elegant in appearance or movement.
Example
She looked svelte in the elegant black dress.
B2 adverb /ˈraɪtli/

Rightly

Meaning
correctly; properly; justly
Example
She rightly pointed out the mistakes in the report.
C1 noun /liːs/

Lease

Meaning
a contract by which one party conveys land, property, services, etc. to another for a specified time, usually in return for a periodic payment
Example
They signed a two-year lease for the apartment.
C1 verb /ɪɡˈzɔːlt/

exalt

Meaning
to praise highly or raise in rank, honor, or power
Example
The community exalted the teacher for his dedication.
C2 noun /ˈriːbəs/

rebus

Meaning
a puzzle in which words are represented by pictures, symbols, or letters
Example
The children enjoyed solving the rebus puzzles in the magazine.
C1 verb /ɪˈroʊd/

erode

Meaning
to gradually wear away or destroy by natural forces such as water, wind, or chemical action
Example
The coastline has begun to erode due to constant waves.
B1 noun /ˈhaʊzɪŋ/

housing

Meaning
buildings or structures where people live; accommodation
Example
The government is working to provide affordable housing for everyone.
B2 noun /ˈreɪ.zər/

Razor

Meaning
a sharp-edged instrument used for shaving hair from the skin
Example
He shaved his beard with a sharp razor.