zooplankton
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C2 noun /ˈzuːəʊˌplæŋktən/

zooplankton

Meaning
Microscopic aquatic animals that drift in water bodies and form an essential part of the aquatic food chain, serving as food for fish and other marine organisms.
Example
Zooplankton plays an important role in the aquatic food chain.
C2 noun /ˈpɛntæd/

pentad

Meaning
A group or set of five things.
Example
The committee was divided into a pentad of working groups.
C2 verb /ˈɪməleɪt/

immolate

Meaning
To kill or sacrifice, especially by burning.
Example
The protesters threatened to immolate themselves in front of the building.
C2 verb /ˈdʒɒɡəl/

joggle

Meaning
to shake slightly; to move or cause to move with quick, small jerks
Example
He joggled the table and the vase nearly fell.
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 adjective /ˈmɪn.dʒi/

Mingy

Meaning
mean or stingy; unwilling to spend money
Example
He is too mingy to spend money on anything but necessities.
C2 verb /dɪsˈkʌmfɪt/

discomfit

Meaning
to make someone feel uneasy, embarrassed, or confused
Example
The interviewer’s tough questions discomfited the candidate.
C2 noun /mɔːrˈtɪʃən/

mortician

Meaning
a person whose job is to prepare dead bodies for burial or cremation and to arrange funerals
Example
The mortician prepared the body for the funeral service.
C2 noun /loʊd/

lode

Meaning
A rich source of something, often a vein of valuable metal in the earth.
Example
The miners discovered a rich lode of silver.
C2 adjective /ˈklæmərəs/

clamorous

Meaning
making a loud and confused noise; expressing strong demands noisily
Example
The clamorous audience demanded an encore from the band.
C2 adjective /ˈfuːlˌhɑːrdi/

foolhardy

Meaning
Recklessly bold or rash; taking foolish risks.
Example
It was foolhardy of him to climb the mountain without proper gear.
C2 noun /ˌɪnvəˈlɪdɪti/

invalidity

Meaning
the state of being invalid, legally void, or lacking force or validity
Example
The court ruled that the contract suffered from invalidity.
C2 adjective /ˈʌndjʊləs/

undulous

Meaning
Having a wavy surface or form.
Example
The artist painted the undulous sea at sunset.
C2 adjective /ˈprɛʃənt/ or /ˈpriːʃənt/

prescient

Meaning
having or showing knowledge of events before they take place
Example
The prescient investor sold his shares just before the market crashed.
C2 adjective /ˌsæsərˈdoʊtl/

sacerdotal

Meaning
Relating to priests or the priesthood.
Example
The ritual had a distinctly sacerdotal character.
C2 verb /ˈʌndərˌraɪt/

underwrite

Meaning
To guarantee financial support, especially by agreeing to cover losses or risks; in insurance, to assess and accept risks.
Example
The bank agreed to underwrite the company's new bond issue.
C2 adjective /ˈluːsənt/

lucent

Meaning
shining or glowing with light
Example
The lucent stars brightened the night sky.
C2 adjective /ˈneb.jə.ləs/

Nebulous

Meaning
vague or unclear; lacking definite form; hazy
Example
His plans for the future remain nebulous and unclear.
C2 noun /ˈplɛdʒɔːr/

pledgeor

Meaning
a person who gives or offers a pledge or security
Example
The bank accepted the jewelry from the pledgeor as collateral for the loan.
C2 verb /ˈɔːltərˌkeɪt/

altercate

Meaning
to argue or dispute angrily or noisily
Example
The neighbors began to altercate over the boundary wall.
C2 verb /bɪˈfuːl/

befool

Meaning
to deceive or trick someone into believing something false; to make someone appear foolish
Example
The scammer tried to befool innocent people with fake promises.
C2 adjective /ˈkjʊərətɪv/

curative

Meaning
Able to cure disease or restore health.
Example
The doctor prescribed a curative treatment for the illness.
C2 adjective /ˈfɛstəl/

festal

Meaning
relating to a festival or celebration
Example
The hall was decorated in a festal manner for the wedding.
C2 noun /ˈkwɪzlɪŋ/

quisling

Meaning
A traitor who collaborates with an enemy force occupying their country.
Example
During the war, he was branded a quisling for aiding the invaders.
C2 adjective /ˈsed.j ə.l ə s/

Sedulous

Meaning
showing dedication and diligence; persistent and careful in work
Example
She was sedulous in her research, spending hours in the library every day.
C2 noun /ˈpjuːdʒɪlɪzəm/

pugilism

Meaning
The practice or sport of boxing.
Example
He studied the art of pugilism in his youth.
C2 adjective /ɪˈpɪstələri/

epistolary

Meaning
Related to the writing of letters; expressed in or through letters.
Example
The novel is written in an epistolary style, consisting of letters between characters.
C2 noun /ˈæn.oʊd/

anode

Meaning
The positive electrode in a device such as a battery, where current flows into a polarized electrical device.
Example
The anode of the battery was corroded after long use.
C2 noun /roʊˈtʌn.də/

rotunda

Meaning
a large circular building or hall, often with a dome
Example
Tourists gathered inside the grand rotunda of the capitol.
C2 noun /oʊliˈændər/

Oleander

Meaning
a poisonous evergreen shrub with clusters of white, pink, or red flowers
Example
The beautiful oleander flowers bloomed in the garden despite their toxic nature.
C2 noun /ˈteɪbər/

Tabour

Meaning
a small side drum or tambourine used especially in folk music
Example
The folk musician played a lively tune on his tabour.
C2 adjective /ˌriːkruːˈdɛsənt/

recrudescent

Meaning
reviving or breaking out again after a period of abatement
Example
Recrudescent tensions threatened the fragile ceasefire.
C2 noun /ˈdɛswɪˌtuːd/

desuetude

Meaning
a state of disuse or inactivity
Example
The old law has fallen into desuetude.
C2 noun /əˈnæb.ə.lɪ.zəm/

anabolism

Meaning
The set of metabolic pathways that construct molecules from smaller units, involving tissue repair and growth.
Example
Anabolism is essential for muscle growth and tissue repair.
C2 noun /pɪks/

pyx

Meaning
a small container, often used in Christian liturgy to carry the consecrated host
Example
The priest placed the consecrated host into the pyx before visiting the sick.
C2 verb /ˌoʊvərˈliːp/

overleap

Meaning
To jump over something; to omit or disregard something.
Example
He managed to overleap the fence easily.
C2 adjective /ˈsækərɪn/

saccharine

Meaning
Excessively sweet or sentimental.
Example
His saccharine smile seemed insincere.
C2 verb /lʌɡ/

lug

Meaning
to carry or drag something heavy or cumbersome with effort
Example
He had to lug the suitcase up three flights of stairs.
C2 adjective /ˌɪndɪˈvɜːrtɪbəl/

indivertible

Meaning
Not able to be turned aside or diverted.
Example
The judge's indivertible attention was on the case.
C2 noun /kɒn.tɪˈɡjuː.ɪ.ti/

contiguity

Meaning
the state of being in direct contact or next to each other
Example
The contiguity of the two countries facilitates trade.
C2 adjective /nɑːrld/

gnarled

Meaning
Twisted, rough, and knotted, especially with age.
Example
The old man had gnarled hands from years of hard work.
C2 verb /rɪˈfrækt/

refract

Meaning
To bend light, sound, or heat as it passes through a medium.
Example
The water refracts light, making the straw look bent.
C2 adjective /ˈdəʊl.səm/

dolesome

Meaning
Filled with grief or sadness; mournful.
Example
The dolesome ballad brought tears to their eyes.
C2 noun /kəˈrɑːləri/

corollary

Meaning
a direct or natural consequence or result
Example
One corollary of the new policy was increased public awareness.
C2 noun /lɒŋ ˈwɪskəd ˈkætfɪʃ/

Long whiskered catfish

Meaning
A type of freshwater fish with long whisker-like barbels around its mouth
Example
The fisherman caught a long whiskered catfish in the river.
C2 verb /ˌriː.kəˈnɔɪ.tər/

reconnoiter

Meaning
to make a preliminary inspection or survey, especially of an area for military or strategic purposes
Example
The soldiers reconnoitered the area before advancing.
C2 verb /ˈɡræn.jʊ.leɪt/

granulate

Meaning
To form or cause to form into grains or small particles.
Example
The sugar began to granulate as it cooled.
C2 adjective /ɪˈmɒdərət/

immoderate

Meaning
excessive; beyond reasonable limits
Example
He has an immoderate love for sweets.
C2 noun /paɪər/

pyre

Meaning
A heap of combustible material, especially one used for burning a corpse as part of a funeral ceremony.
Example
The villagers built a pyre to honor the deceased.
C2 adjective /səˈmætɪk/

somatic

Meaning
Relating to the body, especially as distinct from the mind.
Example
Yoga can improve both somatic and mental health.
C2 adjective /ˈɛnərˌveɪtɪd/

enervated

Meaning
Lacking energy, vitality, or strength; weakened or exhausted.
Example
After the long meeting, she felt completely enervated.
C2 adjective /ɪˈbʊliənt/

ebullient

Meaning
cheerful and full of energy
Example
She was ebullient after receiving the good news.
C2 noun /ˈʃæd.ək/

Shaddock

Meaning
a large citrus fruit similar to grapefruit; pomelo
Example
The shaddock is the largest citrus fruit in the world.
C2 noun /ˈpɒlɪti/

polity

Meaning
an organized society or form of government
Example
The ancient Greek polity had a system of city-states.
C2 noun /ˌmælˈoʊdər/

malodor

Meaning
An unpleasant smell; bad odor.
Example
The garbage bin gave off a terrible malodor.
C2 verb /dɪˈkænt/

decant

Meaning
To pour liquid gently from one container into another, especially without disturbing the sediment.
Example
She carefully decanted the wine into a clean glass.
C2 noun /ˈkætɪˌkɪzəm/

catechism

Meaning
A summary of religious principles often in the form of questions and answers; also a set of fixed questions or beliefs.
Example
The priest taught the children the catechism every Sunday.
C2 noun /ˈmæsəkɪst/

masochist

Meaning
a person who derives pleasure from their own pain or humiliation
Example
He was called a masochist for enjoying tough challenges.
C2 adjective /mæɡˈnɪləkwənt/

magniloquent

Meaning
using high-flown or pompous language
Example
The politician’s magniloquent speech impressed the crowd.
C2 verb /əˈsɪdɪfaɪ/

acidify

Meaning
to make something acidic or more acidic
Example
Farmers worry that pollution will acidify the soil.
C2 verb /lɪm/

limn

Meaning
to depict or describe something vividly in words or art.
Example
The author limned the beauty of the countryside.
C2 noun /ˈɔːrdnəns/

ordnance

Meaning
Military supplies including weapons, ammunition, and combat equipment.
Example
The army stored ordnance in a secure facility outside the city.
C2 adjective /ˈdæpəld/

dappled

Meaning
Marked with spots or patches of light and shade or different colors.
Example
The forest floor was dappled with sunlight.
C2 noun /ˈpiːs ɡʊdz/

Piece-goods

Meaning
textiles or fabrics sold by the yard or meter; cloth materials
Example
The tailor bought piece-goods from the wholesale market to make custom dresses.
C2 noun /ˈæl.ɪ.mənt/

aliment

Meaning
food or nourishment that sustains life
Example
Fruits and vegetables are important aliments for a healthy body.
C2 adjective ˌnjʊəroʊˈkɒɡnɪtɪv

neurocognitive

Meaning
Related to brain information processing and memory power
Example
Neurocognitive functions decline due to lack of sleep.
C2 verb /kəˈriːn/

careen

Meaning
To move swiftly and in an uncontrolled way, especially in a specific direction.
Example
The car careened down the slippery road.
C2 noun /ˈbreɪziər/

Brazier

Meaning
a worker in brass; a portable container for burning charcoal or coal
Example
The brazier crafted beautiful brass ornaments.
C2 noun /ˌmjuːlˈtɪər/

muleteer

Meaning
a person who drives or takes care of mules
Example
The muleteer guided the animals safely across the mountain path.
C2 verb /əbˈtruːd/

obtrude

Meaning
to force oneself or one's ideas into a situation uninvited or inappropriately
Example
He didn’t want to obtrude into their private conversation.
C2 noun /oʊˈbeɪsəns/

obeisance

Meaning
A gesture of respect such as a bow or curtsy.
Example
They bowed in obeisance to the king.
C2 noun /ˈmaɪkrəˌkɒzəm/

microcosm

Meaning
A small, representative system having analogies to a larger system; a miniature version of something.
Example
The small town is a microcosm of the entire nation.
C2 noun /ˈkloʊðiər/

clothier

Meaning
a person or company that makes, sells, or deals in clothes.
Example
The town’s clothier displayed fine suits in his shop window.
C2 noun /njʊˈrældʒə/

neuralgia

Meaning
intense, often intermittent pain along a nerve pathway
Example
The patient suffers from neuralgia in her face.
C2 adjective /ˈsiːmi/

seamy

Meaning
Morally degraded, unpleasant, or sordid.
Example
The novel reveals the seamy side of city life.
C2 noun /ˈhæbɪtənt/

habitant

Meaning
An inhabitant; a person or animal that lives in a particular place.
Example
The habitants of the village were friendly and welcoming.
C2 noun /ˈmɛtələ(r)dʒi/

metallurgy

Meaning
The science and technology of metals, including their extraction from ores and their processing.
Example
Metallurgy plays a vital role in industrial development.
C2 noun /ˈkærɪt/

caret

Meaning
A proofreading symbol (^) used to indicate where something should be inserted.
Example
The editor placed a caret to show where the missing word should go.
C2 noun /rɪˈfɛktəri/

refectory

Meaning
a dining hall, especially in a monastery, convent, or school
Example
Students had lunch in the refectory.
C2 noun /ˈfoʊksl/

forecastle

Meaning
The forward part of a ship below the deck, traditionally used as living quarters for the crew.
Example
The sailors gathered in the forecastle after their shift.
C2 noun /ˈkær.ə.weɪ siːdz/

Caraway seeds

Meaning
aromatic seeds of the caraway plant used as a spice in cooking and baking
Example
The bread was flavored with caraway seeds.
C2 noun/verb /ɡraʊtʃ/

grouch

Meaning
a person who complains a lot or to complain in a grumpy way
Example
He is such a grouch in the morning before coffee.
C2 noun prɒkˈsiː.mɪks

proxemics

Meaning
The study of how people use space and distance to indicate relationships
Example
Understanding proxemics helps in improving interpersonal communication.
C2 noun kənˌsep.tʃu.ə.laɪˈzeɪ.ʃən

conceptualization

Meaning
The process of forming a concept or idea; the process of developing something in the mind.
Example
The conceptualization of renewable cities is groundbreaking.
C2 noun /ˌperəˈreɪʃən/

peroration

Meaning
The concluding part of a speech, often intended to inspire or persuade.
Example
The politician's peroration left the audience applauding enthusiastically.
C2 verb /dɪˈtruːd/

detrude

Meaning
To thrust or force something downward or outward.
Example
The violent waves detruded rocks from the cliff.
C2 verb /flɪt/

flit

Meaning
to move quickly and lightly from one place to another
Example
Butterflies flitted from flower to flower.
C2 noun ˈnjʊə.rəʊ ˌfiːd.bæk

neurofeedback

Meaning
A technique that uses real-time displays of brain activity to teach self-regulation of brain function.
Example
Neurofeedback enhances cognitive performance and relaxation.
C2 noun /ˈpjuːdʒɪlɪst/

pugilist

Meaning
A professional or skilled boxer.
Example
The pugilist entered the ring with confidence.
C2 noun /ˈkɒŋ.kɔː.dæt/

concordat

Meaning
An agreement or treaty, especially between the Vatican and a secular government.
Example
The concordat established the rights of the church within the country.
C2 noun /ˈfʌriər/

furrier

Meaning
A person who prepares or deals in furs.
Example
The furrier displayed fine coats in his shop.
C2 adjective /rɪˈmjuːnərətɪv/

remunerative

Meaning
Financially rewarding or profitable.
Example
He chose a remunerative career in medicine.
C2 noun /draɪ ˈmæŋgoʊ ˈpaʊdər/

Dry Mango Powder

Meaning
a tangy powder made from dried raw mangoes, used as a spice in Indian cuisine
Example
The chef sprinkled dry mango powder over the chaat for extra tanginess.
C2 noun /ˈfaɪnəri/

finery

Meaning
expensive or elaborate clothes, decorations, or accessories
Example
She attended the party in her finest finery.
C2 adjective /ˈpɒndərəbl/

ponderable

Meaning
able to be considered or thought about
Example
The evidence was substantial and ponderable.
C2 noun /ˈfaɪəl/

phial

Meaning
a small glass container for liquids, especially medicines
Example
The doctor gave her a phial of medicine.
C2 noun /ˈdrækmə/

drachma

Meaning
The basic monetary unit of Greece before the adoption of the euro.
Example
The old coin collection included a silver drachma.
C2 noun /brɪˈtæniə/

britannia

Meaning
the personification of Britain, often shown as a woman with a helmet and shield
Example
Britannia has been a symbol of Britain since Roman times.
C2 adjective /prɪˈmɒnɪtəri/ or /ˌpriːməˈnɪtəri/

premonitory

Meaning
giving a warning or prediction about something, especially something unpleasant
Example
He ignored the premonitory signs of illness.
C2 noun /ˈprɛləsi/

prelacy

Meaning
The office, dignity, or system of church government by prelates.
Example
The medieval church was dominated by prelacy and its traditions.
C2 noun /ˈtrɛsəl/

trestle

Meaning
a frame or support consisting of a horizontal beam held up by two pairs of sloping legs, used especially for supporting a bridge or table
Example
The workers built a wooden trestle to support the temporary bridge.
C2 noun /ˌɪnsjəˈlærəti/

insularity

Meaning
The state of being isolated or narrow-minded.
Example
The insularity of the group prevented them from accepting new ideas.
C2 verb /ɪnˈræptʃər/

enrapture

Meaning
To fill someone with great delight or joy.
Example
The beautiful music enraptured the audience.
C2 adjective /ˈflæs.ɪd/

Flaccid

Meaning
soft and limp; lacking firmness; drooping
Example
The plant's leaves became flaccid after days without water.
C2 noun /ˈmɒrəlɪst/

moralist

Meaning
A person who teaches or promotes moral principles and values.
Example
The author was known as a strict moralist in his writings.
C2 verb /ˈsæŋktɪfaɪ/

sanctify

Meaning
to make holy or sacred; to purify
Example
The priest will sanctify the marriage ceremony.
C2 noun /ɑːmz/

alms

Meaning
Money, food, or goods given to the poor as charity.
Example
The monk distributed alms to the needy villagers.
C2 verb /ˈlaɪ.ə.naɪz/

lionize

Meaning
to treat someone as a celebrity or give a lot of public attention
Example
The press began to lionize the young scientist after his discovery.
C2 adjective /ˈæbdʒɛkt/

abject

Meaning
extremely bad, unpleasant, and degrading
Example
They lived in abject poverty.
C2 adjective /ˈmjuːtəbl/

mutable

Meaning
Capable of change or alteration.
Example
Human emotions are mutable and can shift rapidly.
C2 adjective /ɑːrˈbɔːr.i.əl/

arboreal

Meaning
Relating to trees or living in trees; tree-dwelling.
Example
Monkeys are arboreal animals that spend most of their time in trees.
C2 verb /kənˈvɑːlv/

convolve

Meaning
to roll or twist together; to coil or entwine
Example
The vines convolve around the tree trunk.
C2 verb /ˌkaʊntərˈveɪl/

countervail

Meaning
to offset or counteract the effect of something
Example
The benefits of the new policy countervail its drawbacks.
C2 adjective /ænˈhaɪdrəs/

anhydrous

Meaning
Containing no water.
Example
The chemist used anhydrous ammonia for the experiment.
C2 prefix /dɪs-/

dys-

Meaning
A prefix meaning abnormal, bad, difficult, or impaired.
Example
Words like 'dysfunction' and 'dyslexia' use the prefix dys- to indicate difficulty or impairment.
C2 noun /kəmˈpɒz.ɪ.tər/

Compositor

Meaning
a person who arranges type for printing or creates musical compositions
Example
The compositor carefully arranged the text for the newspaper.
C2 verb /bɪlk/

bilk

Meaning
To cheat or defraud someone of money or rights.
Example
The scammer tried to bilk elderly people out of their savings.
C2 noun /ˈændaɪərn/

andiron

Meaning
a metal support used in a fireplace to hold logs
Example
The logs rested on the andirons in the old fireplace.
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.
C2 noun /ˈdʒɪb.ɪt/

Gibbet

Meaning
a gallows for hanging criminals; an upright post with a projecting arm for hanging the bodies of criminals
Example
In medieval times, criminals were often executed on a gibbet as a public warning.
C2 noun /ˌkæθəˈlɪsɪti/

catholicity

Meaning
Universality; broad-mindedness; acceptance of a wide variety of things.
Example
Her catholicity of interests makes her a fascinating person.