amplitude
Physics term for the maximum displacement or magnitude of an oscillation or wave. Cross-referenced with 振幅.
See also: 振幅
この振り子の振れ幅は約10センチです。
The amplitude of this pendulum is about 10 centimeters.
地震の振れ幅を測定する。
Measure the amplitude of the earthquake.
volatility; fluctuation; swing; range of variation
Figurative use for the degree of change or instability in non-physical contexts, such as prices, emotions, or performance.
株価の振れ幅が大きくなっている。
The volatility of stock prices is increasing.
I'm surprised by the swings in his mood.
Compound of 振れ (fure, 'swing, oscillation', from verb 振れる) and 幅 (haba, 'width, range').