Pronunciation: (ek"spō-nen'shul, -spu-), [key]
1. of or pertaining to an exponent or exponents.
a. of or pertaining to the constant e.
b. (of an equation) having one or more unknown variables in one or more exponents.
a. the constant e raised to the power equal to a given expression, as e3x, which is the exponential of 3x.
b. any positive constant raised to a power.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.