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n[U] fatty substance found in the blood, fat, or tissues of animals
Cholesterol, from the Ancient Greek chole- (bile) and stereos (solid) followed by the chemical suffix -ol for an alcohol, is an organic molecule.
Cholesterol is a sterol (or modified steroid), a lipid molecule and is biosynthesized by all animal cells because it is an essential structural component of all animal (not plant or bacterial) cell membranes that is required to maintain both membrane structural integrity and fluidity.
In addition to its importance within cells, cholesterol also serves as a precursor for the biosynthesis of steroid hormones, bile acids, and vitamin D.
My cholesterol's off the charts!
Controlling cholesterol is probably more important than controlling blood pressure.
If you substitute oat bran for eggs and cheese and other foods that are high in cholesterol, indeed you will succeed in lowering the cholesterol level.
Bran products, with a low-fat low-cholesterol diet, can help you bring your cholesterol down.
These products are low in fat and contain no cholesterol.
n[U] eagerness and willingness to do sth ¶ a reason for doing sth
Joey's right, if you quit this job, you then have motivation to go after a job you really want.
Sheldon, how about this as my motivation: when I was 14 years old, I was abused in the Philippines by a clubfooted navy chaplain.
What is your motivation to buy an overpriced small apartment?
For some, it may be the main motivation.
He's a bright enough pupil - he just lacks motivation.
Many of the boys have very poor motivation.
Compare "goal-oriented" and "motivational."
adj happening, done or chosen without any particular method, pattern, or purpose
There is a transparent window on the bottom of the Magic Eight ball, and when the ball is held so that the window faces up, the die floats to the top randomly exposing one of its faces in the window.
"Thanks for trying to cheer me up, but I'm not gonna date some random guy from your work." "It's not random, Bob.'"
Ross steps to a random kid nearby and hands him his money.
If something happens at random, it happens without a definite plan or pattern.
Joey and Phoebe are moving chess pieces around on the board and hitting the timer at random.
The computer will generate apparently random numbers.
Random-access memory, RAM, is a form of computer data storage. A random-access device allows stored data to be accessed directly in any random order.
adj determined ¶ concentrating
She's intent on getting promotion.
He was very intent on his work.
He had an intent look on his face.
The children's face filled with an intent curiosity.
The children stared intently at him.
He looked from one intent face to another.
Tom was found guilty of wounding with intent.
She behaved foolishly but with good intent/intention.
You use "to/for all intents and purposes" to say that a situation is not exactly as you describe it, but the effect is the same as if it were.
Although there was still a faint heartbeat, he was to all intents and purposes dead.
n[UC] the process of discovering exactly what is wrong with sb or sth by examining them closely
Diagnosis is the identification of the nature and cause of a certain phenomenon.
Diagnosis is used in many different disciplines with variations in the use of logics, analytics, and experience to determine "cause and effect".
Medical diagnosis (often simply termed diagnosis) refers to both the process of attempting to determine or identify a possible disease or disorder, and to the opinion reached by this process (also being termed medical diagnostic opinion).
"What was the diagnosis?" "Arthritis in both joints."
The doctor has made an initial diagnosis, but there'll be an additional examination by a specialist.
n[C] sth that keep/hold/store sth else in
Bottles, boxes, cans and jars are containers.
Food will last longer if kept in an airtight container.
The radioactive material is stored in a special radiation-proof container.
Container ships are cargo ships that carry all of their load in truck-size intermodal containers, in a technique called containerization.
An intermodal container (also container, freight container, ISO container, shipping container, hi-cube container, box, conex box and sea can) is a standardized reusable steel box used for the safe, efficient and secure storage and movement of materials and products within a global containerized intermodal freight transport system.
Tupperware is the name of a home products line that includes preparation, storage, containment, and serving products for the kitchen and home.
In 1942, Earl Tupper developed his first bell shaped container but the brand products were first introduced to the public in 1948.
n[UC] when a woman has a baby growing inside her body
A pregnancy test is a medical test which women have to find out if they have become pregnant.
Penny is in her bedroom, sitting on the bed with a guy, looking at a pregnancy tester.
Oh, I wish I didn't have to wait to take a pregnancy test.
All right, I'm gonna go take a pregnancy test right now.
Oh no, the best reason to get married is pregnancy.
I showed her pictures from my pregnancy book.
This is about the fourth month of your pregnancy, right?
Lower blood pressure is common in early pregnancy.
Most women feel sick in the mornings during their first months of pregnancy.
Progesterone is a hormone that is produced in the ovaries of women and female animals and helps prepare the body for pregnancy.
v[T] take and hold sth firmly, grip ¶ understand ¶ take advantage of an opportunity
also a noun
Grasp the handle and pull it.
He grasped her tightly by the wrist.
He grasped the rope and pulled himself up.
A short opening paragraph enables the reader to quickly grasp what the article is about.
I think I managed to grasp the main points of the lecture.
He was ready to grasp any opportunity to have sex.
She was grasping at the chance to escape her problems.
Chandler had allowed the ball to slip from his grasp.
I think you had a good grasp of the subject.
Working with native speakers helped me get a good grasp of the language.
The key was on a high shelf, just beyond her grasp.
n[UC] a regular series of sounds or movements ¶ a regular pattern of changes
Rhythm (from Greek ῥυθμός, rhythmos, "any regular recurring motion, symmetry") generally means a "movement marked by the regulated succession of strong and weak elements, or of opposite or different conditions".
Listen to the rhythm of the falling rain, telling me just what a fool I've been, I wish that it would go and let me cry in vain, and let me be alone again.
However, some abnormal heart rhythms can be serious or even deadly.
My body rhythms had not yet adapted to the ten-hour time difference.
Play the music low and sway to the rhythm of love.
She tapped out the rhythm on the table.
He beat out a jazz rhythm on the drums.
I had no sense of rhythm whatsoever, so I'm a terrible dancer.
Do you like the rhythm of agricultural life?
n[C] a method/plan that you use to achieve sth
n[pl] the skill of arranging and moving military forces in a battle
Some players see injuring their opponent as a legitimate tactic.
What sort of tactics will the President use to rally the people behind him?
Shock tactics are a way of trying to influence people's attitudes to a particular matter by shocking them.
Shock tactics are being used in an attempt to stop drink drivers.
Tactical ballistic missiles are usually mobile to ensure survivability and quick deployment, as well as carrying a variety of warheads to target enemy facilities, assembly areas, artillery, and other targets behind the front lines.
Strategic missile systems are thought to use custom integrated circuits designed to calculate navigational differential equations thousands to millions of times per second in order to reduce navigational errors caused by calculation alone.
n[CU] a large fish with silver skin and pink flesh ¶ the flesh ¶ a pink-orange color
The difference is often said to be that salmon migrate and trout are resident, but this distinction does not strictly hold true.
Salmon live along the coasts of both the North Atlantic and Pacific Oceans, and have also been introduced into the Great Lakes of North America.
Typically, salmon are anadromous: they are born in fresh water, migrate to the ocean, then return to fresh water to reproduce.
Grizzly bears function as ecosystem engineers, capturing salmon and carrying them into adjacent wooded areas. There they deposit nutrient-rich urine and feces and partially eaten carcasses.
I ordered the smoked salmon appetizer.
I'll have the soup and the salmon.
'Has anyone seen my shirt? It's a button down, like a faded salmon color?' 'You mean your pink shirt?'
Apparently little Molly Gilbert is enjoying her grown-up salmon en croute.
This slow-roasted salmon, just how slow are we talking here?
I would kill for a salmon skin roll right now!
Since it's Rachel's birthday, I mean, we want it to be special, I thought I'd poach a salmon.
Try this salmon mousse.
n[C] an organization that has the power to make or change laws
A legislature is a decision-making organization, usually associated with national government, that has the power to enact, amend and repeal laws.
Legislatures observe and steer governing actions and usually have exclusive authority to amend the budget or budgets involved in the process.
The most common names for national legislatures are "parliament" and "congress", although these terms have more specific meanings.
A state legislature in the United States is the legislative body of any of the 50 U.S. states.
As a legislative branch of government, a legislature generally performs state duties for a state in the same way that the United States Congress performs national duties at the national level.
Each U.S. state has a state supreme court, which is the highest authority interpreting that state's law and administering that state's judiciary.
The Vermont Supreme Court ordered its state legislature to come up with a system providing same-sex couples with traditional marriage benefits and protections.
The Legislature of the state of Texas is a bicameral body composed of a 31-member Senate and a 150-member House of Representatives.
n[C] a place where birds, insects or small animals live ¶ a comfortable home ¶ a place which is full of bad people and their activities
v[I] build/use a ~
Ducks usually build their nests on the ground.
In May the females build a nest and lay their eggs.
Eagles used to nest in those rocks.
Young eagles are ready to leave the nest after only two months.
Cuckoos are famous for laying their eggs in the nests of other birds.
We found a field mouse's nest.
The diplomats have been sent home because their embassy has become a nest of spies and espionage.
When their children had flown the nest, he and his wife moved to a smaller flat.
A love nest is a house or flat where two people who are having a love affair live or meet.
A matryoshka doll, also known as Russian nesting/nested doll, refers to a set of wooden dolls of decreasing size placed one inside the other.
In computing science and informatics, the word nesting may denote several different constructions and activities where information is organized in layers or objects contain other similar objects.
In structured programming languages, nesting is related to the enclosing of control structures one into another, usually indicated through different indentation levels within the source code.
Nestlé S.A. is a Swiss multinational food and beverage company headquartered in Vevey, Switzerland.
v[T] form, make up ¶ write music ¶ write sth, esp thinking carefully about it
Water is composed of hydrogen and oxygen.
Muscle is composed of two different types of protein.
The legal system is composed of people, and people make mistakes.
Ludwig van Beethoven also composed other chamber music, choral works, and songs.
The document composed in Philadelphia transformed the confederation of sovereign states into a national government.
If you compose yourself, you try hard to become calm after feeling very angry, upset, or excited.
If you compose your face, features, or thoughts, you make yourself look or feel calm.
Helen took several deep breaths to compose herself.
Her mind was in such a whirl that she could hardly compose her thoughts.
Knowing how to compose (arrange the parts) a photograph is the most important lesson any photographer will learn.
v[T] depict ¶ play
The photos vividly portray life in the trenches.
The Prime Minister likes to portray himself as a friend of working people.
Opponents portray him as weak and ineffectual.
Joey portrayed Sigmund Freud in a play.
John McLane was a fictional character portrayed by Bruce Willis.
Compare portrait and portray.
n[C] a set of questions that a lot of people are asked so that information can be collected about sth
All staff were asked to fill out a questionnaire.
Please complete and return the enclosed questionnaire.
The management is now analyzing the questionnaires.
Most of the staff who responded to the questionnaire were supportive.
"What is this?" "It's a questionnaire I devised. I'm having some difficulty bonding with a colleague at work, so I'm doing a little research to better understand why my current friends like me."
Compare these words: billionaire, concessionaire, doctrinaire, millionaire, multimillionaire, and questionnaire.
n[C] a small animal that has six legs and often has wings
Insects are a class of invertebrates within the arthropod phylum that have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes and one pair of antennae.
Ants, flies, butterflies, and beetles are all insects.
Spiders are air-breathing arthropods that have eight legs and chelicerae with fangs that inject venom.
To call any small, crawling creature such as a spider an insect is incorrect but common.
Social insects, such as ants, live in large colonies.
Unfortunately, pesticides kill off beneficial insects as well as harmful ones.
The pesticide is lethal to all insect life.
n[UC] the act of causing great physical or mental pain ¶ the pain
also a verb
An Iron Maiden is a medieval instrument of torture.
The confession was made under torture.
"I get this uncontrollable need to please people!" "You would not hold up well under torture!"
"I just walked in the bathroom saw Kathy naked! It was like torture!" "If we ever go to war and you're captured, you're in for a big surprise."
"Can't make fun of your friends?" "That must be torture for you, Chandler," said Phoebe.
Oh Ross, honey you gotta stop torturing yourself!
It was like she was torturing me for information. And I wanted to give it up. I just, I didn't know what it was!
I have two sisters of my own and we just tortured each other.
Torment, agony, or anguish is severe mental or physical suffering.
To inflict harm or damage on someone or something means to make them suffer it.
adv in spite of this fact, despite what has just been said, however, nevertheless
An example of nonetheless is using the word between two phrases to show the contrast of the two thoughts such as, "It was pouring outside; nonetheless, he still went for his evening run."
I knew a lot about the subject already, but his talk was interesting nonetheless.
There was still a long way to go. Nonetheless, some progress had been made.
China nonetheless accounts for between 30% and 40% of total global demand for commodities like copper and nearly 60% of total global demand for commodities like cement and iron ore.
It's a sad truth, but a truth nonetheless that the Founding Fathers felt it necessary to consider those of African descent to be less than a whole person.
n[C] an amount of sth, usu medicine to be taken at one time
v[T] give sb medicine or a drug
One dose of penicillin can wipe out the infection.
If you are in pain, increase the dose of painkillers.
But you should never exceed the recommended dose of painkillers.
What you need is a good dose of laughter.
FRIENDS contains a hefty dose of comedy.
I always take my daily dose of vitamin pills.
Some people were exposed to lethal doses of radiation.
She gets through her salary like a dose of salts (very quickly).
She dosed herself up with aspirin and went to bed.
My son's just had a bad dose of flu.
I dosed him up with vitamin C.
n[C] a group of people or things
v[T] place/arrange sth in a particular way
We visited the local markets and saw wonderful arrays of fruit and vegetables.
Jars of all shapes and sizes were arrayed on the shelves.
There was a splendid array of food on the table.
It is difficult to choose from the vast array of wines on offer.
Users are faced with a bewildering array of options.
The royal couple appeared in splendid array (clothes).
A large number of magazines were arrayed on the stand.
v[IT] bring/call/come/fit/put together
The bookcase is sold in kits that you have to assemble yourself.
It can easily be assembled with a screwdriver.
How long would it take to assemble it?
When people assemble or when someone assembles them, they come together in a group, usually for a particular purpose such as a meeting.
A large crowd had assembled outside the American embassy, again.
All the students were asked to assemble in the main hall.
The whole school (was) assembled in the main hall.
v[T] seriously damage, completely destroy ¶ make sb feel extremely shocked and sad
The city was devastated by a huge earthquake.
As the tsunami's speed diminishes as it travels into shallower water, its height grows, consequently making its effects devastating to a coastal community.
War devastated the country.
Carol was utterly devastated by the news of Susan's death.
"Howard's been in bed for two days." "Yeah, probably with a blow-up doll." "Does it really matter who or what he's with? The guy is devastated."
Oh, please. How could I possibly devastate Howard?
You must be devastated about your divorce, Beverley.
In a world ruled by a giant beaver, mankind builds many dams to please the beaver overlord. The low-lying city of Copenhagen is flooded. Thousands die. Devastated, the Danes never invent their namesake pastry. How does one miss that?
Penny, I'm sorry you got dragged into this. I know you're devastated that your ex-boyfriend has found an exciting new lover with flawless, caramel-colored skin.
v[IT] try to find out, investigate, examine ¶ look for, explore
n[C] a thorough and careful investigation ¶ a system or piece of equipment that is used for obtaining information
The committee probed more into the allegations of whether or not he had engaged in insider trading.
I don't want to probe too deeply into your personal affairs.
Searchlights probed the night sky.
And for that reason Dr. Cooper probed deeply into the secrets of nature and gave us the contributions that he did.
We're probing deeper and deeper into the secrets of the universe.
A space probe is an unmanned spacecraft that leaves Earth orbit and explores space.
The NASA Pluto probe New Horizons flew from the surface of the Earth to the Moon's orbital path in eight hours and thirty-five minutes in January 2006.
A probe is a long thin metal instrument that doctors and scientists use to examine parts of the body.
Tell him Dr. Cooper feels that the best use of his time is to employ his rare and precious mental faculties to tear the mask off nature and stare at the face of God.
v[IT] go around an area seeing if there is any trouble or danger
n[CU] the people or act
The parking lot is patrolled by security at night.
Gangs of youths patrolled (drive/walk around in a threatening way) the streets at night.
Highway patrol is the U.S. police officers who are responsible for making certain that people obey the law while driving.
A patrol wagon is a van or truck which the police use for transporting prisoners.
Every police car and foot patrol in the area is on full alert.
Our forward patrol has/have spotted the enemy.
Guerrillas attacked a patrol with hand grenades.