整数

• Pinyin: zhěng shù
• Hanzi breakdown: 整 = 束 + 攵 + 正 (whole/complete); 数 = 娄 + 攵 (number/count)

Meaning

An integer; a whole number. A number without fractions or decimals.

A mathematical term used in education, finance, and technical contexts. Contrasted with 小数 (decimals) and 分数 (fractions). Also used colloquially for round numbers (凑个整数).

Examples

1. 七是一个正整数，负三是一个负整数。 Seven is a positive integer, and negative three is a negative integer.
2. 付款时他凑了个整数，给了服务员一百元整。 When paying, he rounded it to a whole number and handed the server exactly 100 yuan.
3. 这道数学题要求将结果四舍五入到最接近的整数。 This math problem asks you to round the result to the nearest integer.

Usage Guide

Context: mathematics, education, finance

Tone: neutral

Do Say

• 请将计算结果精确到整数位。(Please round the calculation result to the nearest integer.)
• 账单金额是九十八元，他补了两元凑成整数。(The bill was ninety-eight yuan — he added two yuan to round it up.)

Don't Say

• 这是一个整数钱 — redundant; just say 整数 for round amounts, or 整钱 in colloquial speech

Origin & History

整 (whole/complete) + 数 (number)

Cultural Context

Generation: All ages

Social background: Universal