比ひ例れい中ちゅう項こう

noun

mean proportional; geometric mean

Mathematical term for the geometric mean, especially in the context of proportions. Used in geometry and algebra.

• 比ひ例れい中ちゅう項こうは、二ふたつの数すうの積せきの平へい方ほう根こんに等ひとしい。

  The mean proportional is equal to the square root of the product of the two numbers.