amplitude

From Wiktionary

The English used in this page may not be easy for everybody to understand. You can help by making this page simpler.

[change] Pronunciation

•  Audio (US)^{help, file}

[change] Noun

Singular amplitude

Plural amplitudes

1. The measure of how big something is.
2. (mathematics) The maximum absolute value of the vertical part of a periodic curve.
3. (physics) The maximum absolute value of something that varies periodically (like a wave).