English · Science & Technology

amplitude

/ˈæm.plɪ.tjuːd/

[/ˈæm.plɪ.tjuːd/]

size of a wave

Advancednoun

Definition

The size or height of a wave, which determines how strong or loud it is.

Example

A sound wave with greater amplitude is heard as a louder and more powerful noise.

A sound wave with greater amplitude is heard as a louder and more powerful noise.

Etymology

From Latin 'amplitudo' (wide extent), from 'amplus' (large, spacious).

How & Where It’s Used

Used in physics for sound, light, and other waves.

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