周 波 数(しゅうはすう)

しゅうはすう

noun

frequency (of waves, radio signals, sound)

science

1. frequency (of waves, radio signals, sound)

周波数(しゅうはすう)を変(か)える。

Change the frequency.

このラジオ局(きょく)の周波数(しゅうはすう)は80.3メガヘルツです。

This radio station's frequency is 80.3 megahertz.

高(たか)い周波数(しゅうはすう)の音(おと)は年(とし)を取(と)ると聞(き)こえにくくなる。

High-frequency sounds become harder to hear as you get older.

電子(でんし)レンジは2.4ギガヘルツの周波数(しゅうはすう)の電磁波(でんじは)を使(つか)って食品(しょくひん)を温(あたた)める。

Microwave ovens use electromagnetic waves at a frequency of 2.4 gigahertz to heat food.

A technical term from physics referring to the number of cycles a wave completes per unit of time, measured in hertz (Hz). Commonly encountered in contexts related to radio, sound, electronics, and telecommunications.

Common collocations

周波数(しゅうはすう)帯(たい): frequency band
周波数(しゅうはすう)を合(あ)わせる: to tune to a frequency
高(こう)周波(しゅうは): high frequency
低(てい)周波(しゅうは): low frequency
周波数(しゅうはすう)変換(へんかん): frequency conversion

Similar words

頻度(ひんど): frequency — refers to how often something occurs, not wave cycles
振動数(しんどうすう): vibration frequency — more specific to mechanical oscillations
波長(はちょう): wavelength — the inverse concept, measuring distance between wave peaks

Related Words

Compare: 頻度(ひんど) (frequency)

Compare: 波長(はちょう) (wavelength)

Compare: 波形(はけい) (waveform)

general

Added 2026.4.22 21:37 · Revised 2026.9.2 13:02

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