Exponent

n.	1.	(Alg.) A number, letter, or any quantity written on the right hand of and above another quantity, and denoting how many times the latter is repeated as a factor to produce the power indicated
	2.	One who, or that which, stands as an index or representative; as, the leader of a party is the exponent of its principles.
	3.	one who explains, expounds, or interprets. Exponent of a ratio the quotient arising when the antecedent is divided by the consequent; thus, 6 is the exponent of the ratio of 30 to 5.

Noun	1.	exponent - a person who pleads for a cause or propounds an idea Synonyms: advocate, advocator, proponent
	2.	exponent - someone who expounds and interprets or explains
	3.	exponent - a mathematical notation indicating the number of times a quantity is multiplied by itself Synonyms: index, power

(programming)

exponent - (Or "characteristic") The part of a floating-point number specifying the power of ten by which the mantissa should be multiplied. In the common notation, e.g. 3.1E8, the exponent is 8.

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