小数

Etymology
From 小 (shō, "small," "little") + 数 (sū, "number").

Noun

 * 1) decimal fraction, decimal, fraction

Derived terms

 * 小数点 (shōsūten): decimal point
 * 循環小数 (junkan shōsū): recurring decimal
 * 無限小数 (mugen shōsū): infinite decimals
 * 浮動小数点 (fudō shōsūten): floating point representation
 * 浮動小数点演算機構 (fudō shōsūten enzan kikō): floating-point arithmetic unit