/ Dictionary / Index A -asis: Meaning and Definition of Find definitions for: -asis Pronunciation: [key] a suffix occurring in scientific, esp. medical, words from Greek: psoriasis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Asir ask Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language