/ Dictionary / Index A Alg.: Meaning and Definition of Find definitions for: Alg. Pronunciation: [key] Algerian. Algiers. alg. Pronunciation: [key] algebra. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Alfvén wave algae Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language