/ Dictionary / Index P permeant: Meaning and Definition of Find definitions for: per•me•ant Pronunciation: (pûr'mē-unt), [key] — adj. permeating; pervading. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: permeant (Thesaurus) permeance permease Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language