Oxford Dictionary English amplitude nounnoun BrE BrE//ˈæmplɪtjuːd// ; NAmE NAmE//ˈæmplɪtuːd// [uncountable, countable] (physics) Energy and physical forces, Radio technology Add to my wordlistjump to other results enlarge image the greatest distance that a wave, especially a sound or radio wave, vibrates (= moves up and down) Wordfinderphysicsamplitude, atom, energy, fission, force, frequency, gravity, molecule, nuclear, physics See related entries: Energy and physical forces, Radio technology Word Originmid 16th cent. (in the senses ‘physical extent’ and ‘grandeur’): from Latin amplitudo, from amplus ‘large, abundant’.See amplitude in the Oxford Learner's Dictionary of Academic EnglishSee amplitude in the Oxford Advanced American DictionaryCheck pronunciation: amplitude oxfordlearnersdictionaries.com
