/ Dictionary / Index D departmentalism: Meaning and Definition of Find definitions for: de•part•men•tal•ism Pronunciation: (di-pärt-men'tl-iz"um, dē"pärt-), [key] — n. division into departments, as in a university. advocacy of or partiality for such division. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. department departmentalize Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language