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From The Collaborative International Dictionary of English v.0.48 [gcide]:
Exponent \Ex*po"nent\, noun [L. exponens, -entis, p. pr. of exponere to put out, set forth, expose. See {Expound}.]
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;
Note: thus a^{2} denotes the second power, and a^{x} the xth power, of a (2 and x being the exponents). A fractional exponent, or index, is used to denote the root of a quantity. Thus, a^{1/3} denotes the third or cube root of a.
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. [PJC]
{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. [R.]
From WordNet (r) 3.0 (2006) [wn]:
noun
1: a person who pleads for a cause or propounds an idea [syn: {advocate}, {advocator}, {proponent}, {exponent}]
2: someone who expounds and interprets or explains
3: a mathematical notation indicating the number of times a quantity is multiplied by itself [syn: {exponent}, {power}, {index}]
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Definitions retrieved from the Open Source DICT Webster's English and WordNet 3.0 dictionaries. Click here for database copyright information.
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