exponentiation

noun
ex·​po·​nen·​ti·​a·​tion | \ ˌek-spə-ˌnen(t)-shē-ˈā-shən How to pronounce exponentiation (audio) \

Definition of exponentiation

: the mathematical operation of raising a quantity to a power

called also involution

First Known Use of exponentiation

1903, in the meaning defined above

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The first known use of exponentiation was in 1903

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