exponent

英 [ɪk'spəʊnənt; ek-]美 [ɪk'sponənt]
  • n. [数] 指数；典型；说明者，说明物
  • adj. 说明的
CET6+ TEM8 IELTS GRE 低频词 扩展词汇

助记提示

1. ex- + pon- + ent.
2. 字面含义：put out, place out, put forth. => expound, one who expounds.
3. 指数：ex- "upward" + pon- + -ent. 表明指数放在既在上面又在外面的位置上。

中文词源

exponent 拥护者，鼓吹者，指数

ex-, 向外。-pon, 放置，词源同pose, component.即展开，描述美好的前景，引申义拥护，鼓吹。同时用来指数学术语指数（据说来自笛尔卡）。

英文词源

exponent (n.)
1706, from Latin exponentem (nominative exponens), present participle of exponere "put forth" (see expound). Earliest use is the mathematical one (said to have been introduced in algebra by Descartes) for the symbol to indicate by what power the base number is to be raised. The sense of "one who expounds" is 1812. As an adjective, from 1580s.

双语例句

1. She was a leading exponent of free trade during her political career.
她从政期间是自由贸易的主要倡导者。
来自《权威词典》
2. She is an exponent of vegetarianism.
她是一个素食主义的倡导者.
来自《简明英汉词典》
3. The value of the exponent varies for different sensory modalities.
指数值随不同的灵敏速模式而变化.
来自辞典例句
4. Huxley was an exponent of Darwin's theory of evolution.
赫胥黎是达尔文进化论的鼓吹者.
来自辞典例句
5. He had been the principal exponent of the Gallipoli campaign.
他曾为加里波利战役的主要代表人物.
来自辞典例句