amplitude (B1)

noun

Pronunciation: /ˈæmplɪtjuːd/

Definition

The maximum displacement or distance moved by a point on a vibrating body or wave measured from its equilibrium position.

Examples

• The amplitude of the sound wave determines its loudness.

• Scientists measured the amplitude of the seismic waves to understand the earthquake's magnitude.

• In physics, amplitude is a key characteristic of any oscillation or wave.

How to Use amplitude

amplitude of (prepositional phrase)

Specifies what the amplitude belongs to or relates to. — "The amplitude of the oscillation was surprisingly small."

Synonyms of amplitude

Words with a similar meaning to amplitude:

• extent
• range
• scope
• magnitude

Antonyms of amplitude

Words with the opposite meaning to amplitude:

• frequency
• phase

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