/ Dictionary / Index D diastatic: Meaning and Definition of Find definitions for: di•a•stat•ic Pronunciation: (dī"u-stat'ik), [key] — adj. diastatic action. of or pertaining to diastase. having the properties of diastase:diastatic action. of or pertaining to diastasis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. diastasis diastem Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language