bioavailability
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C2 noun ˌbaɪ.oʊ.əˈveɪ.lə.bɪl.ə.ti

bioavailability

Meaning
The degree to which a substance can be absorbed and used by the body.
Example
Turmeric's bioavailability increases when consumed with black pepper.
C1 noun /ˈbeɪsbɔːrd/

baseboard

Meaning
A narrow board running along the bottom of an interior wall, covering the joint between wall and floor.
Example
The carpenter painted the baseboard white.
B1 noun /ˌbækˈjɑːrd/

backyard

Meaning
an area of land behind a house, typically used for recreation or gardening
Example
The children played football in the backyard.
B1 verb /bæn/

ban

Meaning
to officially forbid something; to prohibit
Example
The government banned smoking in public places.
C2 noun /blæk ˈkɑːr.də.məm/

Black Cardamom

Meaning
a large aromatic spice pod with a smoky flavor, commonly used in Indian and Middle Eastern cooking
Example
Add black cardamom to the curry for a rich, smoky flavor.
C1 noun /bəˈnɛv.ə.ləns/

benevolence

Meaning
The quality of being well meaning and kindly; the disposition to do good.
Example
His benevolence towards the poor earned him respect.
C1 noun /bɒmˈbɑːrdmənt/

bombardment

Meaning
a continuous attack with bombs or other projectiles
Example
The city endured a heavy bombardment during the war.
B1 noun /ˈbluː.ber.i/

Blueberry

Meaning
a small round blue fruit that grows on bushes
Example
She picked fresh blueberries for the pie.
C1 noun /brɔːl/

brawl

Meaning
a noisy fight in a public place
Example
A brawl broke out outside the bar late at night.
C2 verb /bɪˈlaɪ/

belie

Meaning
To give a false impression of something; to contradict.
Example
His calm face belied his inner anxiety.
B2 noun /ˈbiː.təl/

Beetle

Meaning
a hard-bodied insect with wing covers
Example
The black beetle scurried across the garden path.
B2 noun /ˈboʊld.nəs/

Boldness

Meaning
willingness to take risks; confidence and courage in behavior
Example
Her boldness in confronting the problem impressed everyone.
C1 adjective /ˈbeɪs.ləs/

Baseless

Meaning
without foundation; groundless; unfounded
Example
The accusations against him were completely baseless.
A2 verb /blɒk/

block

Meaning
to obstruct; to prevent passage or progress
Example
The fallen tree blocks the road.
C1 noun /bɪz/

Biz

Meaning
business (informal); commercial enterprise or activity
Example
He's been in the restaurant biz for twenty years.
C1 verb /ˈbɛkən/

beckon

Meaning
to signal or call someone to come closer, often with a gesture; to attract or invite
Example
She beckoned him to come closer with a wave of her hand.
C2 noun /bɪˈnɪɡnɪti/

Benignity

Meaning
kindness; gentleness; the quality of being benign or gracious
Example
Her benignity towards all people made her beloved by everyone.
C1 verb /ˈbɒɡəl/

boggle

Meaning
to overwhelm or confuse; to be astonished or puzzled by something
Example
The complexity of the puzzle boggled his mind.
C2 verb, noun /blæb/

blab

Meaning
to talk too much or reveal secrets carelessly; excessive or foolish talk
Example
He accidentally blabbed the surprise to everyone.
B1 verb /breɪk/

brake

Meaning
to slow down or stop a vehicle by applying a brake
Example
He braked suddenly to avoid hitting the dog.
C1 noun /ˈbjuːɡəl/

Bugle

Meaning
a brass musical instrument similar to a trumpet but without valves, used especially for military calls
Example
The soldier played the bugle to signal the start of the ceremony.
C2 adjective /baɪˈkæmərəl/

bicameral

Meaning
Having two branches or chambers, especially in a legislature.
Example
The United States has a bicameral legislature consisting of the Senate and the House of Representatives.
C1 adjective ˌbjʊə.rəˈkræt.ɪk

bureaucratic

Meaning
Involving or characterized by complex rules and procedures that can delay the achievement of goals.
Example
Bureaucratic red tape often delays project approvals.
B1 verb /bʌmp/

bump

Meaning
To hit something or someone by accident; to knock against something.
Example
He accidentally bumped into the door.
B1 noun /bloʊ/

Blow

Meaning
a powerful stroke with a hand, weapon, or hard object
Example
The boxer delivered a devastating blow to his opponent.
C1 verb /bɪˈstoʊ/

bestow

Meaning
To give or present something as a gift or honor.
Example
The king bestowed honors upon the brave soldiers.
B2 adverb /ˈbruːtəli/

brutally

Meaning
in a cruel, violent, or harsh manner; in a very direct and blunt way
Example
The prisoners were treated brutally by the guards.
C1 adjective /bɪˈmjuːzd/

bemused

Meaning
confused, puzzled, or lost in thought
Example
She looked bemused when he asked the strange question.
C1 noun/adjective /ˈbæstərd/

bastard

Meaning
a child born to unmarried parents (offensive); also used informally as an insult or to describe something unpleasant
Example
He called him a bastard in anger.
B1 noun /bʌntʃ/

Bunch

Meaning
a number of things of the same type fastened together or occurring close together
Example
She picked a bunch of flowers from the garden for her mother.
B1 noun /bɪˈhɑːf/

behalf

Meaning
as a representative of someone; in the interest of someone
Example
She accepted the award on behalf of her team.
C2 verb /bɪˈleɪ/

belay

Meaning
to secure a rope by winding it around an object; to stop or cancel an order (nautical/military use)
Example
The climber asked his partner to belay the rope tightly.
C2 verb /breɪ/

bray

Meaning
To make a loud, harsh sound like a donkey.
Example
The donkey began to bray loudly in the field.
A2 noun /bɜːrθ/

Birth

Meaning
the emergence of a baby or young from the body of its mother; the beginning or origin of something
Example
The birth of their first child was a joyful moment.
B2 verb /blɛnd/

blend

Meaning
to mix things together smoothly; to combine harmoniously
Example
She blends the ingredients carefully.
C1 noun /ˈbaɪ.laɪn/

byline

Meaning
A line in a newspaper or magazine article that names the writer.
Example
Her byline appeared on the front page of the newspaper.
B2 noun /biːt/

Beet

Meaning
a plant with a round dark red root that is eaten as a vegetable
Example
Roasted beet with goat cheese makes a delicious salad.
C2 adverb /bɪˈtaɪmz/

betimes

Meaning
early; in good time
Example
She rose betimes to finish her work.
A2 noun /ˈbɪz.nəs/

Business

Meaning
work relating to the production, buying, and selling of goods or services
Example
He started his own business after graduating from university.
B1 noun /ˈbɒksər/

boxer

Meaning
a person who fights in the sport of boxing; a type of short loose-fitting underwear; a breed of medium-to-large dog
Example
The boxer trained hard every morning before the championship match.
A2 verb /beɪk/

bake

Meaning
to cook food using dry heat, usually in an oven
Example
She baked a cake for her friend's birthday.
A2 noun /bɒs/

boss

Meaning
a person who is in charge of a worker, group, or organization
Example
Her boss gave her a new project to complete.
A1 verb /baɪ/

buy

Meaning
to get something by paying money for it; to purchase
Example
I want to buy a new car this year.
A1 preposition, adverb /bɪˈtwiːn/

between

Meaning
at, into, or across the space separating two objects or regions
Example
She sat between her two friends.
A1 noun /bəˈnæn.ə/

Banana

Meaning
a long curved fruit with yellow skin and soft sweet flesh
Example
Bananas are a good source of potassium.
C2 noun /bɪsk/

bisque

Meaning
A rich, creamy soup made from shellfish.
Example
We ordered lobster bisque at the restaurant.
C2 noun /ˈbækənæl/

bacchanal

Meaning
A noisy party involving drinking and revelry.
Example
The festival turned into a wild bacchanal by midnight.
C1 noun /ˈbæs.ti.ən/

bastion

Meaning
a stronghold or fortification; a place or institution strongly defending particular principles
Example
The castle stood as a bastion against enemy attacks.
A1 interjection /baɪ/

bye

Meaning
used to say goodbye; a short and informal farewell
Example
I said bye to her before leaving.
B1 noun /bʊʃ/

bush

Meaning
a plant with many small branches growing close to the ground; a shrub
Example
A rabbit was hiding under the bush.
B2 noun ˈbɪz.nɪs ˈfaɪ.næns

business finance

Meaning
The area of finance that deals with sources of funding and the capital structure of corporations.
Example
Effective business finance enhances profitability.
C2 noun /ˈbroʊɡən/

brogan

Meaning
A heavy, sturdy shoe, often made of leather.
Example
The farmer wore old brogans while working in the field.
A1 noun/verb /bæŋk/

bank

Meaning
an institution where money is kept and managed; or to tilt in movement (like an airplane or riverbank)
Example
She deposited the money in the bank.
C2 verb /bɪˈdɔːb/

bedaub

Meaning
to smear or cover with a sticky or dirty substance
Example
The children bedaubed the wall with paint.
B2 verb /ˈbrɔːdən/

broaden

Meaning
to make wider or larger in scope; to expand ideas, experience, or understanding
Example
Travel can broaden your perspective on different cultures.
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.
A1 adjective /braʊn/

Brown

Meaning
having the color of earth or wood; dark colored
Example
She has beautiful brown eyes that sparkle in the sunlight.
B1 noun ˈbaʊndəri

boundary

Meaning
A line that marks the limits of an area; a dividing line.
Example
The river marks the boundary.
B1 noun /bɔɪl/

Boil

Meaning
a painful, pus-filled bump under the skin caused by infected hair follicles
Example
The painful boil on his neck required medical treatment.
C1 adjective /ˈboʊɡəs/

bogus

Meaning
false, fake, or not genuine
Example
The police arrested him for using a bogus ID card.
C1 adjective /bəˈzɜːrk/

berserk

Meaning
Out of control with anger or excitement; wild or frenzied.
Example
The fans went berserk when their team won the championship.
C1 verb /ˈbəʊl.stər/

bolster

Meaning
To support or strengthen; to prop up.
Example
The new policy aims to bolster economic growth.
C1 adjective /ˈbɛndi/

bendy

Meaning
Easily curved or flexible.
Example
The bendy straw made it easier to drink from the cup.
C2 noun /ˈbed.ləm/

Bedlam

Meaning
a scene of noisy confusion; chaos and disorder
Example
The classroom was complete bedlam after the fire alarm.
A2 noun /ˈbjuː.ti/

Beauty

Meaning
the quality of being pleasing to look at; attractiveness
Example
The beauty of the sunset took my breath away.
B2 adjective /bliːk/

bleak

Meaning
cold, miserable, or without hope
Example
The future seemed bleak after the economic downturn.
C2 noun /ˈbuːt.leɪs/

Boot-lace

Meaning
a cord or string used to fasten a boot or shoe
Example
I need to tie my boot-lace before going for a walk.
B1 noun /ˈbeɪs.mənt/

Basement

Meaning
the lowest floor of a building, typically below ground level
Example
We store old furniture in the basement.
A2 noun ˈbʌt.ən

button

Meaning
A small disk or knob sewn onto a garment, either to fasten it by being pushed through a slit made for the purpose, or for decoration.
Example
Press the button to activate the device.
A2 noun /biːn/

Bean

Meaning
an edible seed, typically kidney-shaped, growing in long pods on certain leguminous plants
Example
We planted green beans in our vegetable garden this spring.
C2 noun /ˈbrɪk ə ˌbræk/

bric-a-brac

Meaning
Small decorative objects or ornaments, often of little value.
Example
The shelves were filled with old bric-a-brac from her travels.
B1 verb /bɜːrst/

burst

Meaning
to break open suddenly; to be full of something
Example
The balloon bursts with a loud pop.
C2 noun /boʊ/

beau

Meaning
a male admirer or boyfriend; a fashionable young man
Example
She arrived at the party with her beau.
C1 verb /ˈbrændɪʃ/

brandish

Meaning
to wave or flourish something, especially a weapon, in a threatening or showy way
Example
He brandished a sword to scare off the intruders.
C2 verb /biˈætɪfaɪ/

beatify

Meaning
to make blessed or holy, especially in the Roman Catholic Church, to declare a deceased person to be among the blessed
Example
The pope decided to beatify the martyr for his faith and sacrifice.
C2 adjective /ˈbɑː.bər.əs/

Barbarous

Meaning
extremely cruel; uncivilized; savage
Example
The barbarous treatment of prisoners was condemned by human rights organizations.
C1 verb, noun /ˈbreɪnˌwɒʃ/

brainwash

Meaning
to manipulate someone into adopting certain beliefs by repeated pressure or propaganda; the act or process of such manipulation
Example
The group tried to brainwash new members with constant propaganda.
B2 noun /briz/

Breeze

Meaning
a gentle wind; something that is achieved with ease
Example
The cool ocean breeze made the hot summer day more pleasant.
B2 noun /ˈbriː.ðɪŋ tɛkˌniːks/

breathing techniques

Meaning
Methods of controlling breathing to achieve relaxation and improve health.
Example
Breathing techniques help in reducing stress and anxiety.
A2 noun breɪn

brain

Meaning
The organ inside the head that controls thought, memory, feelings, and activity
Example
The brain can only focus on one thing at a time.
C2 adjective /bəˈθɛt.ɪk/

bathetic

Meaning
displaying insincere or trivial emotion; producing an unintended ridiculous effect through sudden change from serious to silly
Example
The movie's ending was unintentionally bathetic rather than tragic.
C2 adjective /bɪˈfʌdld/

befuddled

Meaning
confused, unable to think clearly
Example
He looked befuddled after hearing the complex instructions.
C2 adjective /ˈbʌmblɪŋ/

bumbling

Meaning
Acting in a clumsy, awkward, or confused way.
Example
The bumbling waiter spilled the drinks on the table.
C2 noun /ˈbɪvuˌæk/

bivouac

Meaning
a temporary camp without tents or cover, usually used by soldiers or mountaineers
Example
The climbers set up a bivouac on the mountainside.
C1 noun /bruːˈtæləti/

brutality

Meaning
extreme cruelty or violence; savage or inhumane treatment
Example
The brutality of the attack shocked the entire community.
A1 adjective /ˈbɪzi/

busy

Meaning
actively engaged in work or activity; occupied
Example
He is too busy to answer the phone.
C2 noun /boʊl/

bole

Meaning
the trunk of a tree
Example
The bole of the tree was thick and strong.
C2 noun /ˈbɔːl.səm ˈæp.əl/

Balsam apple

Meaning
a bitter gourd vegetable with a bumpy green skin, also known as bitter melon
Example
Balsam apple is cooked with spices to reduce its bitter taste.
C1 verb/noun ˈbuːt.stræp

bootstrap

Meaning
To start and develop a business using personal resources without external funding.
Example
He bootstrapped his company with minimal resources.
C1 verb /bɪˈwɪldər/

bewilder

Meaning
to cause someone to be confused or puzzled
Example
The complex instructions bewildered the students.
B2 noun /ˈbrʌðərhʊd/

brotherhood

Meaning
The relationship between brothers; an association of people with common interests
Example
The soldiers shared a strong sense of brotherhood.
C2 verb /ˈblʌstər/

bluster

Meaning
to speak loudly in an aggressive or threatening way, often without real power
Example
The manager blustered about firing people but did nothing.
B2 noun /ˈblæk.smɪθ/

Blacksmith

Meaning
a person who makes and repairs things made of iron
Example
The blacksmith hammered the hot iron into a horseshoe.
B1 verb /ˈbɑrɡɪn/

bargain

Meaning
to negotiate terms; to discuss prices; to make a deal
Example
She likes to bargain at the local market.
A1 noun /bed/

Bed

Meaning
a piece of furniture for sleep or rest, typically a framework with a mattress
Example
She made her bed every morning before going to work.
B2 adjective /ˈbaɪəst/

Biased

Meaning
showing prejudice for or against someone or something unfairly
Example
The judge was accused of being biased against the defendant.
B1 noun /bɪˈheɪ.vjər/

Behaviour

Meaning
the way a person or animal acts or conducts themselves
Example
His behaviour at the meeting was very professional.
C2 noun brəˈvɑː.dəʊ

bravado

Meaning
Show of courage or confidence that is not real.
Example
His bravado masked his nervousness before the performance.
C2 noun /brəˈkeɪd/

brocade

Meaning
a rich fabric woven with a raised pattern, often in gold or silver thread
Example
She wore a beautiful brocade dress to the wedding.
C1 noun /buːn/

boon

Meaning
A thing that is helpful or beneficial.
Example
The internet is a boon to modern education.
B1 noun /ˈbækʌp/

backup

Meaning
a copy of data stored separately to protect against loss
Example
Make sure to have a backup of your important files.
A2 noun /ˈbætəri/

battery

Meaning
A device that stores and provides electrical energy; also refers to a group of similar things or repeated blows.
Example
The phone battery ran out after a long day.
C2 adjective /bjuːˈkɒlɪk/

bucolic

Meaning
Relating to the pleasant aspects of the countryside and country life.
Example
They enjoyed a bucolic picnic by the river.
C2 noun /ˈbaɪəˌɡræf/

biograph

Meaning
A written account of a person's life; an early motion-picture projector (historical use).
Example
The library holds an old biograph of the poet.
A1 adjective /bɔːrd/

bored

Meaning
feeling weary or uninterested because of lack of activity or excitement
Example
She felt bored during the long meeting.
C1 verb /bɪˈmoʊn/

bemoan

Meaning
To express discontent or sorrow over something.
Example
Critics bemoaned the lack of diversity in the film.
B2 noun /bɪzˈnɛs sʌˈsɛs/

business success

Meaning
The achievement of desired outcomes in business operations, typically measured by profitability, growth, and sustainability.
Example
Innovation drives business success.
C2 adjective /bɪˈfɒɡd/

befogged

Meaning
Confused or clouded in mind; made unclear like being surrounded by fog.
Example
His mind felt befogged after the long and exhausting meeting.
C1 verb /ˈbɪkər/

bicker

Meaning
To argue or quarrel about trivial matters.
Example
The children began to bicker over the last piece of cake.
A2 noun ˈbræntʃɪz

Branches

Meaning
A part of a tree that grows out from the trunk or from a bough.
Example
Family tree branches show the relationship between family members.
C2 adjective /ˈbʌmpʃəs/

bumptious

Meaning
Arrogantly self-assertive or conceited.
Example
The bumptious student interrupted the teacher several times.
A2 verb /baɪt/

bite

Meaning
to cut with teeth; to have a sharp effect
Example
The dog might bite if it feels threatened.
C1 noun/verb /brʊk/

brook

Meaning
As a noun: a small natural stream; As a verb: to tolerate or endure something
Example
The village was built near a clear brook.
C2 verb /ˈblʌdʒən/

bludgeon

Meaning
to hit someone with a heavy object; to force someone into doing something
Example
The guard was bludgeoned by the attacker in the alley.
B1 noun /ˈbaɪər/

buyer

Meaning
a person who makes a purchase
Example
The buyer inspected the car before making payment.
C2 verb /bɪˈstruː/

bestrew

Meaning
To scatter or cover something with objects or substances.
Example
The ground was bestrewn with autumn leaves.
B2 noun /brum/

Broom

Meaning
a long-handled brush of bristles or twigs, used for sweeping
Example
She used an old broom to sweep the fallen leaves from the porch.
A2 noun/verb /bəˈluːn/

balloon

Meaning
A small bag made of thin rubber or similar material that can be inflated with air or gas; as a verb, to expand rapidly.
Example
The children played with a red balloon at the party.
C2 verb /bɪˈɡaɪl/

beguile

Meaning
to charm or enchant someone, often in a deceptive way
Example
She beguiled the audience with her storytelling.
C2 noun /ˈbɛnɪfɪs/

benefice

Meaning
a permanent church appointment for which property and income are provided
Example
The bishop appointed him to a wealthy benefice.
C2 verb /bɪˈtaɪd/

betide

Meaning
to happen or occur, usually of something that befalls someone
Example
Woe betide anyone who breaks the rules.