explain meaning of.

optical instrument designed to make distant objects appear nearer, containing arrangement of lenses, or of curved mirrors and lenses. slide or cause to slide into itself, so that it becomes smaller.

Use of symbolism to help imagine something.

Of the top layer; not deep or meaningful. Top layer of the ground or of water. To come to the top of something; emerge.

Of or relating to heat or a source of heat. Item of warm clothing for cold weather use.

observe and check quality over time.

degree or intensity of heat present in substance or object.

devote time and attention to gaining knowledge of academic subject.

mountain or hill from which lava, rock fragments, hot vapour, and gas are erupted. Mountains through which hot liquid earth can erupt.

To release or send out (a gas, etc.).

person who is studying or has expert knowledge of one or more of natural or physical sciences. People who are trained in a science.

plants considered collectively.

To study carefully to find out the meaning of.

device which detects or measures physical property and records. Device that detects movement or physical stimuli.

act or process bringing change. Exchanges of one set of clothes for another. To exchange one kind of money for another.