IPA: /ˈpɛlɪkəl/
KK: /ˈpɛlɪkəl/
A very thin layer or film that can be found on the surface of liquids or as a membrane around some organisms.
The pellicle on the surface of the broth indicated that the bacteria were growing well.
Pellicle → It is derived from the Latin word "pellicula" (meaning a small skin or film), which is a diminutive form of "pellis" (meaning skin). The word "pellicle" refers to a thin layer or film, often resembling a skin.
Think of a 'small skin' ('pellicula') that covers something — that's why a pellicle is a thin layer or film.