Английский разговорный словарь (основной) - amplitude

ˈæmplɪtju:d n. 1 a Physics the maximum extent of a vibration or oscillation from the position of equilibrium. b Electr. the maximum departure of the value of an alternating current or wave from the average value. 2 a spaciousness, breadth; wide range. b abundance. øamplitude modulation Electr. 1 the modulation of a wave by variation of its amplitude. 2 the system using such modulation. [F amplitude or L amplitudo (as AMPLE)]