half of the total height of a wave such as a sound wave or an electrical wave, used as a measurement of how strong it is. The amplitude of a sea wave is its height above the level of water when the water is calm and still.
Synonyms and related words
Physical forces and processes
absorbance
air resistance
amplitude
Synonyms and related words
Units for measuring electrical power
A
amp
ampere
amplitude
noun uncountable physics
US /ˈæmplɪˌtud/
DEFINITIONS1
1
half of the total height of a wave such as a sound wave or an electrical wave, used as a measurement of how strong it is. The amplitude of a sea wave is its height above the level of water when the water is calm and still.