exponent

1. (mathematics) 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

2. (mathematics, obsolete) The degree to which the root of a radicand is found, for example, the 2 in ^(2])√=b.Examples: "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; namely for the Square Root by 2, for the Cube by 3, &c. it will contain the Root ſought."; "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 Root."; "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."Synonyms: degree, powerobsolete

3. (linguistics) A manifestation of a morphosyntactic property.Examples: "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."

4. (computing) The part of a floating-point number that represents its exponent value.