/ Dictionary / Index M micelle: Meaning and Definition of Find definitions for: mi•celle Pronunciation: (mi-sel'), [key] — n. an electrically charged particle formed by an aggregate of molecules and occurring in certain colloidal electrolyte solutions, as those of soaps and detergents. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: micelle (Thesaurus) mice Mich. Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language