EXPONENTIATION

exponentiation, involution

(noun) the process of raising a quantity to some assigned power

Source: WordNet® 3.1

Noun

exponentiation (countable and uncountable, plural exponentiations)

(mathematics, arithmetic) The process of calculating a power by multiplying together a number of equal factors, where the exponent specifies the number of factors to multiply.

(mathematics, arithmetic, countable) A mathematical problem involving exponentiation.

Source: Wiktionary