/ Dictionary / Index M monoclinic: Meaning and Definition of Find definitions for: mon•o•clin•ic Pronunciation: (mon"u-klin'ik), [key] — adj. Crystall. noting or pertaining to a system of crystallization in which the crystals have three unequal axes, with one oblique intersection. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: monoclinic (Thesaurus) monocline monoclinous Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language