/ Dictionary / Index P pellicle: Meaning and Definition of Find definitions for: pel•li•cle Pronunciation: (pel'i-kul), [key] — n. a thin skin or membrane; film; scum. a thin, partially reflective coating, as on a beam splitter or pellicle mirror. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pellicle (Thesaurus) pelletize pellicle mirror Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language