4000 Essential English Words 2e 4 (2nd Edition) 영영 Unit 7,8,9

endangered

adj. very rare
The whooping crane is an endangered species.

genocide

n. the deliberate murder of a whole group or race of people
As a result of the genocide, many children have been orphaned.

danger

n. the possibility that someone or something will be harmed, destroyed, or killed
Smoking cigarettes is a danger to health.

extinction

n. when a particular animal, plant, type of person, custom, skill, etc. stops existing
The extinction of the dodo bird occurred in the 1600s.

urban

adj. it is related to towns and cities
It is common to see tall buildings in urban areas.

case

n. an example of a particular situation
A deposit of $1,000 is required, but in this case, we will accept half.

native

adj. it refers to the place someone was born and raised
Carlos is a hero in his native country of Brazil.

reference

n. the act of referring to something or someone
My supervisor made a reference to the data I’d collected.

attempt

n. an act of trying to do something, especially something difficult
This is Ben’s second attempt to climb Mt. Everest.

hit

v. to affect someone or something in a harmful or dangerous way
The ship was hit by a violent storm.

generally

adv. in most cases
The suburbs are generally viewed as a good place to raise children.

devastating

adj. it causes great harm
The tsunami had devastating effects on the seaside village.

diversity

n. the quality or state of having many different forms, types, ideas, etc.
My company puts an emphasis on the importance on having cultural diversity.

earthquake

n. a sudden shaking of a part of the Earth's surface that often causes a lot of damage
The earthquake caused the road to crack in multiple places.

reason

n. a statement or fact that explains why something is the way it is
The reason Eric is late for work is that he forgot to set his alarm.

assimilate

v. to adopt the ways of a new culture
When the family moves to the US they will assimilate into American culture.

cease

v. to stop doing something or to stop something happening
The rain will cease in the afternoon.

forever

adv. for all future time
Michelle and Tanya want to be best friends forever.

percent

n. an amount that is equal to one one-hundredth of something
Liz needs to get 80 percent on her test to pass the course.

lose

v. to have something that is important or necessary taken from you or destroyed.
The family never thought they’d lose everything to fire.

metabolic

adj. it relates to the chemical
Fish have a very high metabolic rate.

burn

n. to use something as a source of energy
Running is good exercise for people who want to burn fat and lose weight.

olive

n. a small egg-shaped black or green fruit
I prepared a bowl of olives for my guests.

check

v. to ask someone whether something is correct, true, or allowed
Peter wants to check with the teacher to see if he is doing the assignment right.

keep

v. to stay in a particular state
Brian needs to keep working in order to finish his project on time.

oil

n. thick liquid made from plants or some animals
The chef put the oil in the pan and heated it up.

powerful

adj. it has a strong effect
This perfume has a powerful scent.

low

adj. it is smaller than usual in amount
The temperature gets very low in the winter.

summary

n. a short statement that contains the main information about something
Cindy concluded the meeting with a summary of the project.

high

adj. tall; up above other things
The balloon floated high into the air.

known

adj. it is something that people are aware of or have discovered
Bob is known throughout the neighborhood as a burglars.

gain

v. to gradually get more and more of a quality, feeling, etc.
Winning the award will help Steven gain confidence.

liver

n. a large organ in the body that produces bile and cleans blood
The professor showed us what the human liver looks like.

starch

n. a substance that provides your body with energy and is found in foods such as wheat, potatoes, and rice
Pasta is high in starch.

fat

n. an oily solid or liquid substance in food
The fat contained in salmon, avocados, and nuts is healthy.

glucose

n. a natural form of sugar
People with diabetes need to check their glucose levels.

performance

n. how well someone or something functions
Liam’s performance in the race was not his best.

coconut

n. a large brown fruit
A coconut produces a healthy oil.

epilepsy

n. a medical condition that affects the brain and can make someone become unconscious
The doctor diagnosed the patient with epilepsy.

management

n. the act or process of controlling and dealing with something
Practing yoga is good for stress management.

excel

v. a subject or activity means to be very good at it
Jenny excels at playing the piano.

sociology

n. the study of human society, its organizations, and problems
Sociology teaches that people’s problems are a result of their society.

relativity

n. a set of ideas about time and space developed by Albert Einstein
Relativity teaches that light travels at the same speed throughout the universe.

minimum

adj. the smallest amount
What is the minimum temperature in winter in this area?

bachelor

n. an unmarried man
Since he was a bachelor, Jason did his shopping by himself.

analytic

adj. it is related to logic and reasoning
The analytic article criticized the new plan and presented one of its own.

cognitive

adj. it is related to learning and knowing things
After her physical examination, her cognitive skills were tested.

diploma

n. a certificate proving that someone has completed their studies
After four years of college, Mary finally had a diploma.

keen

adj. student could have solved that math problem
Only a keen student could have solved that math problem.

integral

adj. an important part of the whole
She is an integral member of our team.

intellect

n. a person's ability to understand things easily
She was known for her quick and strong intellect as well as her beauty.

psychology

n. the study of how the brain affects our thought and actions
The psychology of seeing is a fascinating subject.

theoretical

adj. based on theory rather than experience
His conclusion was only theoretical and not meant to be publicized.

area

n. a reasonably large place
He was very familiar with the local area.

collision

n. the act of two things hitting into each another
The collision between the two cars created a loud noise.

radioactive

adj. then it lets out, or is related to, radiation
Radioactive states can be very bad for anyone’s health.

competent

adj. they are able to think or act successfully
Competent employees are much better than unknowledgeable ones.

geology

n. the study of the Earth's natural structures and how they change
Because he studied geology, he knew how the mountains were formed.

weak

adj. not strong and healthy
She is still weak after the illness.

job

n. the work you do to earn money
He now has a high-paying job.