コンマ秒びょう

noun

split second; instant

Refers to an extremely short period of time, often used in contexts like sports, technology, or dramatic timing.

• 彼かれはコンマ秒びょうの差さで金きんメダルを逃のがした。

  He missed the gold medal by a split second.

• コンマ秒びょうの判はん断だんが生せい死しを分わけることもある。

  A split-second decision can sometimes mean the difference between life and death.