/ Dictionary / Index D Difflugia*: Meaning and Definition of Find definitions for: Dif•flu•gi•a Pronunciation: (di-fl'jē-u), [key] — n. a genus of ameboid protozoans that construct a shell of cemented sand grains. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. diffluent diffract Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language