指数

• 拼音: zhǐ shù
• 汉字拆解: 指 = 扌 (hand) + 旨 (purpose); 数 = 娄 (phonetic) + 攵 (action)

含义

Index; indicator; a numerical measure of change or level in economics, statistics, or mathematics.

Refers to numerical indicators used to measure changes in economics (stock index, CPI), mathematics (exponent), or general statistics. Common combinations include 股票指数 (stock index), 物价指数 (price index), 幸福指数 (happiness index).

例句

1. 上证指数今日收盘上涨了百分之二点三。
2. 空气质量指数显示今天的PM2.5浓度超标。
3. 调查显示，这座城市的居民幸福指数在全国排名前列。

用法指南

语境: finance, statistics, economics

语气: technical

正确说法

• 今天的股市指数怎么样？(How is today's stock market index?)
• 消费者信心指数下降了。(The consumer confidence index has dropped.)

错误说法

• 我的指数很高。(Vague — specify which index you're referring to)

起源与历史

Compound of 指 (point, indicate) and 数 (number). Together they refer to a number that indicates or measures something.

文化背景

世代: All ages

社会背景: Universal