/ Dictionary / Index M microlitic: Meaning and Definition of Find definitions for: mi•cro•lit•ic Pronunciation: (mī"kru-lit'ik), [key] — adj. Petrog. of or pertaining to the texture of a porphyry whose groundmass consists of microlites in a glassy matrix. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. microlithic micrology Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language