循じゅん環かん小しょう数すう

noun

recurring decimal; repeating decimal

Mathematical term for a decimal with a repeating pattern of digits.

• 三さん分ぶんの一いちは循じゅん環かん小しょう数すうで、零れい点てん三さん三さん三さんと表あらわされる。

  One third is a repeating decimal and is written as 0.333.