also: ふりはば
amplitude (of vibration)
Physics term for the maximum displacement of a wave or oscillation.
The amplitude of this pendulum decreases over time.
volatility; fluctuation; swing
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.
The amplitude of this wave is very large.
We measured the amplitude of the vibration with a sensor.
Lately, the swings in the stock price have been widening.
The fluctuation in the exchange rate has been narrowing.
Alternate kanji form, more explicit about 'swing width'; used for both literal and figurative senses.