一いっ定てい数すう

noun, noun which may take the genitive case particle 'no'

fixed number; certain number; given number; definite number

Refers to a specific, predetermined, or agreed-upon quantity. Often used in contexts like quotas, thresholds, or statistical counts.

• 応おう募ぼ者しゃが一いっ定てい数すうに達たっしたら締しめ切きります。

  We will close applications once we reach a certain number of applicants.

• この実じっ験けんには一いっ定てい数すうのサンプルが必ひつ要ようだ。

  This experiment requires a fixed number of samples.