Word · Frequency #10227
exponent
指数
The number showing how many times a base is multiplied by itself, e.g. the 3 in 2³ = 8.
- 1.
One who expounds, represents or advocates.
阐述、代表或倡导某事物的人。
- 2.
The number by which a value (called the base) is said to be raised to a power in exponentiation: for example, the 3 in 23=8.
在乘方中使底数乘方的数,例如23=8中的3。
- 3.
A phonological manifestation of a morphosyntactic property; in layman's terms, the expression of one or more grammatical properties by sound.
形态句法属性的语音形式,即通过语音表达语法属性。
- 4.
The part of a floating-point number that represents its exponent value.
浮点数中表示指数值的部分。
倡导者；拥护者；阐释者；阶码；指数部分；标记；形态标记；阐述、代表或倡导某事物的人。；在乘方中使底数乘方的数,例如23=8中的3。
In use
She is a leading exponent of modern dance.
In the expression 10³, the exponent is 3.
He became an exponent of renewable energy after studying environmental science.
an exponent of sth
用于指人，表示某事物的代表或倡导者。
She is a leading exponent of modern art.
她是现代艺术的一位主要倡导者。
the exponent (of a number)
数学中表示幂的次数。
In 2³, the exponent is 3.
在2³中，指数是3。
Common mistakes
The population growth is exponent.The population growth is exponential.
“exponent”是名词，不能用作形容词表示“指数的”；应使用形容词“exponential”。
Connections
Collocations
- leading exponent
- 主要倡导者
- He is a leading exponent of the theory of relativity.他是相对论的主要倡导者。
- chief exponent
- 首席倡导者
- She became the chief exponent of the new policy.她成为了新政策的首席倡导者。
- great exponent
- 伟大的倡导者
- Einstein was a great exponent of scientific thought.爱因斯坦是科学思想的伟大倡导者。
- exponent of democracy
- 民主的倡导者
- He has been a lifelong exponent of democracy.他终身都是民主的倡导者。
- exponent of modern art
- 现代艺术的倡导者
- Picasso was a key exponent of modern art.毕加索是现代艺术的关键倡导者。
Synonyms
Learner notes
Memory Tip
exponent中的“ex”像“X”，指数就是X的n次方，记住这个发音与含义的关联。
Context & Register
语域：formal 常见场景：数学、科学、工程 多用于正式场合，指数是数学中幂运算的指数部分。
Pronunciation & Spelling
Words with the same stressed '-pəʊnənt' ending: component, opponent, proponent. Note that words like 'permanent' and 'continent' are spelled similarly but pronounced with different stress (first syllable stressed), so they are not rhymes.
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.