/ Dictionary / Index A algebra of sets: Meaning and Definition of Find definitions for: al'gebra of sets' Pronunciation: [key] — Math. Math. a nonempty collection of sets having the property that the union of two sets of the collection is a set of the collection and the complement of each set of the collection is a set in the collection. Cf. Boolean ring. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. algebraist Algeciras Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language