From 小数 (decimal fraction) plus 点 (dot). Digits after the point are counted as 小数点第一位, 第二位, and so on.
Common collocations
- 小数点以下: below the decimal point; the fractional part
- 小数点第二位まで: to two decimal places
- 小数点を打つ: to put in a decimal point
- 小数点をずらす: to shift the decimal point
Similar words
- 整数: whole number, integer — what sits to the left of the point
- 分数: fraction — the other way of writing a non-whole number, with a numerator and denominator