Meaning of “exponent” in the English Dictionary

"exponent" in American English

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exponentnoun [ C ]

us /ɪkˈspoʊ·nənt, ˈek·spoʊ-/

someone who supports an idea, plan, or position:

He was the leading exponent of the behavioral approach to psychology.

exponentnoun [ C ]

us /ɪkˈspoʊ·nənt/

mathematics a number or sign that shows how many times another number is to be multiplied by itself

(Definition of “exponent” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"exponent" in Business English

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exponentnoun [ C ]

uk /ɪkˈspəʊnənt/ us

a person who supports an idea or belief:

an exponent of sth Adam Smith was an exponent of free trade.

a person who performs an activity:

an exponent of sth He is one of Japan's master exponents of the art of sushi.

a number or sign which shows how many times another number is to be multiplied by itself:

In 6³ and y², 3 and 2 are the exponents.

(Definition of “exponent” from the Cambridge Business English Dictionary © Cambridge University Press)