/ Dictionary / Index D diastyle: Meaning and Definition of Find definitions for: di•a•style Pronunciation: (dī'u-stīl"), [key] — adj. Archit. having an intercolumniation of three diameters. See illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. diastrophism diasystem Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language