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Definition exponent

Etymology

From Latin exp?n?ns, present participle of exp?n? (“to expose; to exhibit, display, set out; to explain”), from ex- (“out, away”) + p?n? (“to lay, place, put”).

Noun

exponent (plural exponents)

1. One who expounds, represents or advocates.
2. (mathematics) The number by which a value (called the base) is said to be raised to a power in exponentiation: for example, the ${\displaystyle 3}$ in ${\displaystyle 2^{3}=8}$.
3. (mathematics, obsolete) The degree to which the root of a radicand is found, for example, the ${\displaystyle 2}$ in ${\displaystyle {\sqrt[{2}]{r}}=b}$.
4. (linguistics) A manifestation of a morphosyntactic property.
5. (computing) The part of a floating-point number that represents its exponent value.