/ Dictionary / Index H HydroDiuril: Meaning and Definition of Find definitions for: Hy•dro•Di•u•ril Pronunciation: (hī"drō-dī'ur-il), [key] — Pharm., Trademark. Pharm.,Trademark. a brand of hydrochlorothiazide. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hydrodiuril (Thesaurus) hydrodesulfurization hydrodynamic Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language