frequency
UK/'fri:kwәnsi/US
NGSL 3kIELTSGREB1
Definitions
n.
The rate at which something happens or is repeated.
频率，频繁程度。
n.
(physics) the number of cycles of a wave per unit of time, measured in hertz.
（物理）频率，波每单位时间的周期数，以赫兹计量。
Root Breakdown
Root-derivedfrequent (happening often) + -cy (state/quality) = 'the quality of happening often' — how often something occurs. In physics this hardened into an exact measure: how many wave cycles are crowded into one second.
Root frequent still carries 3 more wordsCommon Collocations
- 1.the frequency of……的频率
- 2.high frequency高频
- 3.low frequency低频
- 4.radio frequency无线电频率
- 5.frequency range频率范围
Example Sentences
- 1.
The frequency of power cuts has increased this winter.
- 2.
Radio stations broadcast on different frequencies.
- 3.
Higher-frequency sound waves vibrate faster.