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Light

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Subject 3

Pronunciation: LIGHT

Definition

electromagnetic radiation of any wavelength or frequency

Example

All light waves travel at the speed of 3 x 108 m/sec through a vacuum. The wavelenghts can range from radio waves to gamma rays.

Subject 1

Pronunciation: LIGHT

Definition

carefree, not harsh, lacking seriousness

Example

a joke

Subject 1

Pronunciation: LIGHT

Definition

weighing very little

Example

a feather is lighter than a bowling ball

General — Definition
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