4000 Essential English Words 2e 4 (2nd Edition) 영영 Unit 1,2

target

v. to aim an attack at someone or something
Scientists are looking for new drugs to target cancer cells.

agenda

n. a plan or goal that guides someone's behavior
The man is pushing his questionable agenda on his colleagues.

keyboard

n. buttons marked with letters and numbers that are pressed to put information into a computer
Paul spilled coffee all over his keyboard.

surge

n. a sudden, large increase in something
All at once, there was a surge of runners at the finish line.

coin

v. to create a new word or phrase
The coach coined the phrase, “There is no ‘I’ in team.”

depression

n. a medical condition that makes a person very unhappy
Ron decided to get help for his depression.

digital

adj. it is characterized by computer technology
Students prefer to take notes on their laptops and other digital devices.

platform

n. something that allows someone to tell a large number of people about an idea, product, etc.
The band uses their music as a platform to express their political beliefs.

survey

n. a set of questions
I filled out a survey about my shopping experience at the department store.

addictive

adj. it is hard to stop doing
I think this game is very addictive.

presence

n. when someone or something is present in a particular place
The researcher discovered the presence of bacteria in the water sample.

importance

n. the quality or state of being important, valuable, or significant
The professor lectured the students on the importance of communication strategies.

poor

adj. it is not as good as it could or should be
The condition of the sidewalk is very poor.

validate

v. to make someone feel that his or her ideas and feelings are respected
Winning first prize will validate all of Tony’s hard work.

correlate

v. to have a close connection to something
Scientists believe that brain size might correlate with intelligence.

accountable

adj. he or she is responsible for the effects of his or her actions
Political leaders are accountable to the people they represent.

loneliness

n. the unhappiness that is felt by someone if they do not have any friends
Many people join social clubs to escape loneliness.

subject

v. to force them to do or experience it
The officers subjected everyone to a careful search before they left the plane.

media

n. the different ways of entertaining and giving information to the public
Many people like to express their opinions online using social media.

trend

n. a general tendency.
Lucy likes to think she started this fashion trend.

grind

v. to break something into small pieces or powder
We grind wheat to make flour.

object

v. to feel or say that you oppose or disapprove of something
The students object to raising the tuition.

substance

n. a particular type of solid, liquid, or gas
Arsenic is a poisonous substance.

transport

n. the system or method of carrying passengers or goods
Cargo ships are used for the transport of manufactured goods.

powder

n. a dry substance in the form of very small grains
Tumeric is a yellow powder used in cooking.

heal

n. to become healthy or well again
This ointment will help heal your wounds.

integrate

n. to make something a part of another larger thing
More women are being integrated into the military.

pollutant

n. a substance that makes the air or water not safe for use
A pollutant in the water killed this fish.

ton

n. a unit for measuring weight equal to 2000 pounds or 907.2 kilograms
This dump truck can carry up to 25 tons.

prompt

n. to cause someone to do something
The tight deadline will prompt the employee to work very hard.

moreover

adv. used to introduce information that adds to or supports what has previously been said.
Marianne likes to walk to work to save money; moreover, it is good exercise.

reject

v. to refuse to accept, believe in, or agree with something
I’m afraid the teacher will reject my new idea.

substantially

adv. it changes a lot
The price of the apartment went up substantially.

dust

n. dry particles of earth or sand.
Some people wear medical face masks to avoid breathing in fine dust and germs.

emit

v. to send out gas, heat, light, sound, etc.
This iron emits steam.

carbon dioxide

n. a gas made from one carbon atom and two oxygen atoms
There is carbon dioxide in the smoke from coal power plants.

carbon

n. a chemical element
Carbon is found in coal.

enable

n. to make it possible for something to happen.
Studying hard will enable the girl to get a good job.

skeptic

n. a person who disagrees with particular claims that are generally thought to be true
Kevin is a skeptic because he never believes anyone or anything.

leading

adj. it is the most advanced or best
Teresa is the leading expert on brain surgery for dogs.