exponent

Noun

1. One who expounds, represents or advocates.
   • Like attracts like," explained Mrs. Mailey, who was quite as capable an exponent as her husband. - 1925 July – 1926 May, A[rthur] Conan Doyle, “(please specify the chapter number)”, in The Land of Mist (eBook no....
   • To think of Kant as an exponent of virtue may seem to some readers itself novel and not easily associated with the Kant familiar to discussions of justice and rights. - 1997, Nancy Sherman, Making a Necessity of Virtue:...
2. The number by which a value (called the base) is said to be raised to a power in exponentiation: for example, the 3 in 2³=8.

   Synonyms: power

3. The degree to which the root of a radicand is found, for example, the 2 in ^(2])√=b.
   • A Power that hath neither the Signs #43; or - before it, is look'd upon as Affirmative, and if it be preceded by a Number that contains the Root ſought and its Exponent may be commenſured by the Exponent of the Root;...
   • And univerſally the Exponent of the m Power, is m times the Exponent of the Root, and the Exponent of the m-Root (or #92;frac#123;1#125;#123;m#125; Power) is #92;frac#123;1#125;#123;m#125; times the Exponent of the...
   • The notation by which the root is expressed, is the mark #92;sqrt#123;#125; called a radical, placed over the letter, with an exponent to the left indicating the order of the root. - 1845, Dionysius Lardner, “Algebra”,...

   Synonyms: degree power

4. A phonological manifestation of a morphosyntactic property; in layman's terms, the expression of one or more grammatical properties by sound.
   • However, there have been no examples presented of gender systems where the plain n triggers one exponent for gender agreement, and the male and female ns together trigger a different exponent. - 2015, Ruth Kramer, The...
5. The part of a floating-point number that represents its exponent value.