4000 Essential English Words 2e 5 (2nd Edition) 영영 Unit 25,26,27

aircraft

n. a vehicle that flies in the sky, such as an airplane or helicopter
At the museum in the airport, you can see a lot of old aircraft.

species

n. a type of plant or animal
There are 21 different species of butterfly in this forest.

zoology

n. a subject in which people study animals
Helen wants to study zoology because she has always liked animals.

jealousy

n. a feeling of wanting something that somebody else has
She felt a lot of jealousy when she saw her friend with a new car.

institute

n. an organization that is interested in research or teaching
I am going to a lecture about Ancient Rome at the Historical Institute.

rural

adj. in the countryside instead of the city
I want to live in a small house in a rural area.

secluded

adj. far away from any other place
There was a secluded bench in the park.

traverse

v. to move or travel through an area
The explorer traversed the desert alone on a camel.

ethical

adj. it is the right thing to do
Many people believe that it is ethical to help others in need.

migrate

v. to move from one place to another
Many birds migrate to warmer countries in the winter.

swamp

n. a very wet area of land
There are lots of wild animals living in the swamp.

hardy

adj. strong and can live through difficult conditions
The farmer is a hardy man and doesn’t mind working outside.

principle

n. a belief about the correct way to behave
To maintain principles, it’s vital to watch, listen, and speak carefully.

decisive

adj. making decisions quickly
Our boss is very decisive, so it did not take long to organize the project.

esteemed

adj. liked or respected by many people
An esteemed scientist is coming to the university to talk about his discoveries.

nurture

v. to care for something as it grows or develops
Robert nurtured his plants, and that is why they grow so well.

concrete

n. a substance made from stones
The man covered the ground with concrete.

overhead

adv. located above you
As we sat on the top of the hill, a plane flew overhead.

celebrity

n. someone who is famous
It was the highlight of the evening when the celebrities arrived.

extinct

adj. none left
There used to be dinosaurs all over the world, but now they are extinct.

designate

v. to give someone or something a particular description
The famous lighthouse was designated a historical monument.

knowledge

n. what you know
He has trouble putting his knowledge into practice.

accordingly

adv. in a way that is suitable
He feels like he did a good job and his boss should pay him accordingly.

dock

n. an enclosed area where ships go to be loaded, unloaded, and repaired
The huge ship pulled into the dock, and the crew unloaded the cargo.

grease

n. an oily substance put on moving parts so they work smoothly, or oil or fat in cooking
When I was done working on the car, I had grease all over my hands.

slot

n. a narrow opening in a machine or container
To operate the machine, put your coins into the slot.

skill

n. something makes you good at doing a job
She worked with great skill and confidence.

anchor

n. a heavy object dropped from a boat to make it stay in one place
When the ship reached its destination, the crew dropped the anchor.

genuine

adj. true or real
After the painting was determined to be genuine, it sold for a million dollars.

cause

n. to make something happen
Tiredness caused the accident.

gears

n. the part of a motor that controls the speed
My brother has a car with four gears.

tactic

n. a careful plan to achieve something
Sam thought of a good tactic to attract more business.

context

n. the situations that form the background of an event
They studied the context of the battle before giving their presentation.

offset

v. to use one thing to cancel out the effect of another thing
Increased wages are offset by higher prices for goods.

overlap

v. to cover a piece of something
The gift on top overlaps the other gift on the bottom.

frequent

adj. happening or done often
While Dad was sick, the doctor made frequent visits to his house.

energy

n. strength to do lots of things
If you lack energy, try eating better food.

secondhand

adj. it has been owned by someone else
Her secondhand jeans were a bit faded in the front.

distort

v. to lie about something, or pull or twist out of shape
The man’s lawyer distorted the facts so that he would be set free.

omit

v. to leave out something or do not do it
I omitted some important information: he is not coming.

objective

n. a goal or plan that someone has
My objective this week is to finish my homework by 7:30 every night.

rainforest

n. a forest that is in a place where it rains very often
The rainforest is home to many animals.

cumulative

adj. an increase by adding one after another
The cumulative snowfall in the area is fifty centimeters per year.

deposit

v. to put something into a place or another thing
I deposited the money into my bank account.

capacity

n. the amount of things that can be put in something
The parking lot has reached its full capacity.

conserve

v. to protect something from being ruined or used completely
The group worked to conserve the beauty of Europe’s national parks.

birthplace

n. a place where a person is born or where something started
China is the birthplace of chopsticks.

crucial

adj. extremely important to another thing
Clean air is crucial to the survival of humans, plants, and animals.

federal

adj. it relates to the government of a country
Sometimes federal laws are different from state laws.

frequency

n. the number of times that something happens
The frequency of rainstorms is very high, especially during the spring.

comparative

adj. being judged based on something else
The money that John has is comparative to that of most other adults.

beneficial

adj. good for you
Drinking milk every day is beneficial for your bones.

equator

n. an imaginary line that splits the Earth into north and south
The equator crosses the northern part of South America.

oxygen

n. a gas that all living things need to breathe
She thinks there is more oxygen in the air in the country than in the city.

formation

n. the way that something is made
The formation of ice happens when water freezes.

strategy

n. a plan for how to do something
The team came up with a strategy to win the game.

wooded

adj. covered with trees
Jim and Ben decided to go hiking in the wooded area by the river.

comprehensive

adj. having all the details about something else
The teacher gave us a comprehensive review for the exam.

distribute

v. to give something to a number of people
The teacher distributed crayons and markers to her students.

exotic

adj. unusual because it is from far away
Rebecca tried many exotic foods on her trip to Africa.