/ Dictionary / Index M margaric acid: Meaning and Definition of Find definitions for: mar•gar'ic ac'id Pronunciation: (mär-gar'ik, -gär'-), [key] — Chem. Chem. a colorless, crystalline, water-insoluble, fatty acid, CHO, resembling stearic acid, obtained from lichens or synthetically. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Margaret Rose margarine Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language