音おん叉さ

noun

tuning fork

A two-pronged metal instrument that produces a fixed pitch when struck, used for tuning musical instruments or in scientific demonstrations.

• ピアノの調ちょう律りつ師しは音おん叉さを使つかって基き準じゅんの音おとを取とる。

  A piano tuner uses a tuning fork to get the reference pitch.

• 理り科かの実じっ験けんで音おん叉さをたたいて音おとの伝つたわり方かたを調しらべた。

  In science class, we struck a tuning fork to investigate how sound travels.