واژگان

Vocabulary

Unit 2

Word list

carbon

n. Carbon is a chemical element.

Carbon is found in coal.

carbon dioxide

n. Carbon dioxide is a gas made from one carbon atom and two oxygen atoms.

There is carbon dioxide in the smoke from coal power plants.

dust

n. Dust is very small, dry particles of earth or sand.

Some people wear medical face masks to avoid breathing in fine dust and germs.

emit

v. To emit is to send out gas, heat, light, sound, etc.

This iron emits steam.

enable

v. To enable is to make it possible for something to happen.

Studying hard will enable the girl to get a good job.

grind

v. To grind is to break something into small pieces or powder.

We grind wheat to make flour.

heal

v. To heal is to become healthy or well again.

This ointment will help heal your wounds.

integrate

v. To integrate is to make something a part of another larger thing.

More women are being integrated into the military.

leading

adj. When something is leading, it is the most advanced or best.

Teresa is the leading expert on brain surgery for dogs.

moreover

adv. Moreover is 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.

object

v. To object is to feel or say that you oppose or disapprove of something.

The students object to raising the tuition.

pollutant

n. A pollutant is a substance that makes the air or water not safe for use.

A pollutant in the water killed this fish.

powder

n. Powder is a dry substance in the form of very small grains.

Tumeric is a yellow powder used in cooking.

prompt

v. To prompt is to cause someone to do something.

The tight deadline will prompt the employee to work very hard.

reject

v. To reject is to refuse to accept, believe in, or agree with something.

I’m afraid the teacher will reject my new idea.

skeptic

n. A skeptic is 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.

substance

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

Arsenic is a poisonous substance.

substantially

adv. If something changes substantially, it changes a lot.

The price of the apartment went up substantially.

ton

n. A ton is a unit for measuring weight equal to 2000 pounds or 907/2 kilograms.

This dump truck can carry up to 25 tons.

transport

n. Transport is the system or method of carrying passengers or goods from one place to another.

Cargo ships are used for the transport of manufactured goods.