/ Dictionary / Index P phthisic: Meaning and Definition of Find definitions for: phthis•ic Pronunciation: (tiz'ik, thiz'-), [key] — Pathol. Pathol. —n. a wasting disease of the lungs; phthisis. asthma. a person who suffers from phthisis. —adj. pertaining to phthisis; phthisical. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phthiriasis phthisical Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language