4000 Essential English Words 2e 4 (2nd Edition) 영영 Unit 15

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세트공유

aggregate

adj. it is made up of smaller amounts added together
The company totaled its aggregate sales for the entire year.

circuit

n. a piece of an electronic device that allows electricity to flow
Be very careful not to shock yourself when fixing an electrical circuit.

equivalent

n. an amount or value that is the same as another amount or value
I worked the equivalent of sixty hours this week.

magnet

n. a piece of iron or other material
I used a magnet to pick up the nails that were scattered on the floor.

viral

adj. it is a disease or infection that is caused by a virus
The girl was in bed for a week when she had a viral infection.

spiral

n. a shape which winds round and round as if around a cylinder
A strand of DNA looks like two interlocking spirals.

intimate

adj. the two things are very closely connected
I only tell my secrets to my most intimate friends.

prevalent

adj. common
Growing a beard is more prevalent in some countries than in others.

compress

v. to press or squeeze it so that it takes up less space
I compressed my clothes to fit into a single suitcase.

ratio

n. a relationship between two things expressed in numbers or amounts
The boy-to-girl ratio is one to three.

quantum

n. it relates to the behavior of atomic particles
The physics student studied quantum mechanics.

microchip

n. a small device in a computer that holds information
I can put more data on my computer if I buy a more powerful microchip.

database

n. a collection of data
The company has a database of all the names and accounts of their customers.

input

n. information that is put into a computer
Type the input into the computer program.

complement

v. to make them better
The wool scarf complemented her lovely eyes.

phase

n. a stage in a process or the gradual development of something
The first phase in the recycling project involves finding volunteers to help out.

pinch

n. to take a piece of skin between one's fingers and squeeze
I pinched my nose so I couldn’t smell the odor from the garbage.

metabolism

n. the way chemical processes in their body use energy
If you exercise every day, your metabolism speeds up.

antibiotic

n. a medical drug used to kill bacteria and treat infections
The doctor gave me a shot of an antibiotic when I got the flu.

immune

adj. they cannot be affected by it
Children usually get shots to make them immune to certain diseases.