Definition
Synonym
Antonym
Example
Sentence
100

Electromagnetic radiation consists of waves of the electromagnetic field.

Electromagnetic wave

100

Radiation

Electromagnetic wave synonym

100

Radiation

Electromagnetic Antonym

100

Radio waves, microwaves, visible light, and x rays.

Electromagnetic wave example

100

All the light we see is made from electromagnetic waves.

Electromagnetic

200

Is a wave that is not capable of transmitting its energy through vacuum.

Mechanical Wave
200

Diffraction

Mechanical wave synonym

200

Electromagnetic wave

Mechanical Wave antonym

200

Sound waves, Water waves, Spring waves, and Stadium waves

Mechanical wave example

200

Sound is a mechanical wave and as such requires a medium to travel through.

Mechanical Wave.

300

A propagating dynamic disturbance of one or more quantities. 

Wave

300
Chain reaction

Wave synonym

300

Stillness

Wave antonym

300

Light, Sound, Ocean Waves.

Wave example

300

As long as the waves propagate slower than the wind speed just above the waves.

Wave

400

A substance that makes possible the transfer of energy from one location to another, especially through waves

Medium

400

Element

Medium synonym

400

Emptyness

Medium antonym

400
Air, Electromagnetic wave, Light and Radio, Sound waves.

Medium example

400

Matter of sufficient density can be medium for sound waves.

Medium

500

Is a space devoid of matter.

Vacuum.

500

Space

Vacuum synonym

500

No space

Vacuum antonym 

500

Space with no matter in them

Vacuum example

500

Vacuum is a region with an extremely low pressure 

Vacuum.
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