/ Dictionary / Index A apparent magnitude: Meaning and Definition of Find definitions for: appar'ent mag'nitude Pronunciation: [key] — Astron. Astron. the magnitude of a star as it appears to an observer on the earth. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. apparentement apparent solar day Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language