Skip to the word

Added 9 October 2026

amplitude

/ˈæm.plɪ.tud/ noun

In Latin: amplitūdō Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about amplitude at Wordnik → Where our words come from →

(physics) the maximum displacement of a periodic wave.
The property of copious abundance.
Greatness of magnitude.

Origin

Borrowed from Middle French amplitude, from Latin amplitūdō, from amplus (“large”). By surface analysis, ample + -itude.

From Wiktionary, via Kaikki.org (CC BY-SA)

Back to today's word