/ Dictionary / Index M monounsaturated: Meaning and Definition of Find definitions for: mon•o•un•sat•u•rat•ed Pronunciation: (mon"ō-un-sach'u-rā"tid), [key] — adj. Nutrition. of or noting a class of fats that lack a hydrogen bond at one point on the carbon chain and that are associated with a low cholesterol content of the blood. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: monounsaturated (Thesaurus) monounsaturate monovalent Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language