PEL'LICLE, noun [Latin pellicula, dim. of pellis, skin.] A thin skin or film. 1. Among chimists, a thin saline crust formed on the surface of a solution of salt evaporated to a certain degree. This pellicle consists of saline particles crystallized.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI