1. A thin skin or film.
  2. Cuticle, the hard protective outer layer of certain life forms.
  3. The skin of a mushroom cap.
  4. The growth on the surface of a liquid culture.
  5. The photosensitive emulsion of photographic film.
  6. A thin plastic membrane used as a beam splitter or protective cover.
  7. the outermost layer of a mushroom, often used only for a surface that is viscid and easily peels off.

The above text is a snippet from Wiktionary: pellicle
and as such is available under the Creative Commons Attribution/Share-Alike License.

Need help with a clue?
Try your search in the crossword dictionary!