/ Dictionary / Index L law of exponents: Meaning and Definition of Find definitions for: law' of expo'nents Pronunciation: [key] — Math. Math. the theorem stating the elementary properties of exponents, as the property that the product of the same bases, each raised to an exponent, is equal to the base raised to the sum of the exponents:. xa &multiplydot; xb = xa + b Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. law of excluded middle law of gravitation Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language