also: ふりはば
noun
amplitude (of vibration)
Physics term for the maximum displacement of a wave or oscillation.
この振り子の振幅は時間とともに小さくなる。
The amplitude of this pendulum decreases over time.
noun
Only with reading ふりはば
Figurative use for the degree of change or instability in non-physical contexts, such as prices, emotions, or opinions. Reading is ふりはば.
See also: 振れ幅
株価の振り幅が大きいので、投資に慎重になっている。
Because the stock price swings are large, I'm being cautious about investing.
彼の気分の振り幅には驚かされる。
I'm amazed by the swings in his mood.