/ Dictionary / Index M Mohorovičić discontinuity: Meaning and Definition of Find definitions for: Mo•ho•ro'vi•čić discontinu'ity Pronunciation: (mō"hô-rō'vu-chich, -hō-), [key] — Geol. Geol. the discontinuity between the crust and the mantle of the earth, occurring at depths that average about 22 mi. (35 km) beneath the continents and about 6 mi. (10 km) beneath the ocean floor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Moholy-Nagy Mohs scale Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language