周しゅう波は数すう

noun

frequency

Primarily used for wave phenomena (radio, sound, light, etc.). In everyday contexts, it often refers to radio frequencies.

• このラジオはFMの周しゅう波は数すうに合あわせてください。

  Please tune this radio to an FM frequency.

• 音おとの高たかさは周しゅう波は数すうで決きまる。

  The pitch of a sound is determined by its frequency.