非负数

非負數

fēifùshù

noun

Meanings

1 nonnegative number (math.)
2 a number that is positive or zero

Characters

Examples

HSK 4

0是非负数，但不是正数。

Líng shì fēifùshù, dàn búshì zhèngshù.

Zero is a nonnegative number, but it is not a positive number.

HSK 5

请输入一个非负数。

Qǐng shūrù yígè fēifùshù.

Please enter a nonnegative number.

Tips

usage

Built from 非 (not) + 负 (negative) + 数 (number). 非 prefix is the standard math/logic 'not' - 非整数 (non-integer), 非空集 (non-empty set), 非线性 (nonlinear). Crucially: nonnegative includes zero, while 正数 (positive) excludes it.

Stroke Order

非 fēi

负 fù

数 shù