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English definition of “amplitude”

amplitude

noun [C/U]    /ˈæm·plɪˌtud/
physics the strength of a wave of sound or electricity , measured at the strongest repeating part of the wave trigonometry Amplitude is also the greatest height of a graph (= drawing ) of the relationships of a sine or cosine . earth science Amplitude is also the height of a wave (= water movement ) from top to bottom .
(Definition of amplitude noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
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