振しん動どう膜まく

noun

vibrating membrane

General term for a thin layer that vibrates, used in physics and engineering.

• スピーカーの振しん動どう膜まくが音おとを生うみ出だす。

  The vibrating membrane of the speaker produces sound.

noun

tymbal

In entomology, the ribbed membrane on a cicada's abdomen used to produce its characteristic sound.

• セミの振しん動どう膜まくは腹ふく部ぶにある。

  The cicada's tymbal is located on its abdomen.