exponent

n. one who interprets, advocate; small raised symbol or number placed after a number that indicates the power to which the number is raised (Mathematics)

Exponentiation is a mathematical operation, written an, involving two numbers, the base a and the exponent n. When n is a positive integer, exponentiation corresponds to repeated multiplication:just as multiplication by a whole number corresponds to repeated addition:The exponent is usually shown as a superscript to the right of the base. The exponentiation an can be read as: a raised to the n-th power or a raised to the power n, or more briefly: a to the n-th power or a to the power n. Some exponents can be read in a certain way; for example a2 is usually read as a squared and a3 as a cubed.
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Noun
1. a person who pleads for a cause or propounds an idea
(synonym) advocate, advocator, proponent
(hypernym) person, individual, someone, somebody, mortal, human, soul
(hyponym) apologist, vindicator, justifier
2. someone who expounds and interprets or explains
(hypernym) intellectual, intellect
(derivation) elaborate, lucubrate, expatiate, exposit, enlarge, flesh out, expand, expound, dilate
3. a mathematical notation indicating the number of times a quantity is multiplied by itself
(synonym) power, index
(hypernym) mathematical notation
(hyponym) degree

n. exponent, one who interprets or expounds; (Algebra) small superscript symbol or number placed after a number indicating the power to which that number is raised

n. exponent, one who interprets, advocate; small raised symbol or number placed after a number that indicates the power to which the number is raised (Mathematics)