Definition of pellicles:
(n) :
A thin skin or film.
(n) :
A cuticle, the hard protective outer layer of certain life forms.
(n) :
(biology, zymurgy) The growth on the surface of a liquid culture.
(n) :
(cooking) A skin or coating of proteins on the surface of meat to be smoked, improving the surface adhesion.
(n) :
(dentistry) A coating of glycoproteins from saliva that forms on teeth; it offers some protection to the enamel from bacterial acidity.
(n) :
(mycology) The outermost layer of a mushroom; the skin of a mushroom cap; especially, a surface that is viscid and easily peels off.