'Celluloid film' definitions:

Definition of 'Celluloid film'

From: GCIDE

Film \Film\, n. [AS. film skin, fr. fell skin; akin to fylmen membrane, OFries. filmene skin. See Fell skin.]
1. A thin skin; a pellicle; a membranous covering, causing opacity. [1913 Webster]
He from thick films shall purge the visual ray. --Pope. [1913 Webster]
2. hence, any thin layer covering a surface. [1913 Webster +PJC]
3. A slender thread, as that of a cobweb. [1913 Webster]
Her whip of cricket's bone, the lash of film. --Shak. [1913 Webster]
4. (Photog.) The layer, usually of gelatin or collodion, containing the sensitive salts of photographic plates. [PJC]
5. (Photog.) a flexible sheet of celluloid or other plastic material to which a light-sensitive layer has been applied, used for recording images by the processes of photography. It is commonly used in rolls mounted within light-proof canisters suitable for simple insertion into cameras designed for such canisters. On such rolls, varying numbers of photographs may be taken before the canister needs to be replaced. [PJC]
6. a motion picture. [PJC]
7. the art of making motion pictures; -- used mostly in the phrase the film. [PJC]
8. a thin transparent sheet of plastic, used for wrapping objects; as, polyethylene film. [PJC]
Celluloid film (Photog.), a thin flexible sheet of celluloid, coated with a sensitized emulsion of gelatin, and used as a substitute for photographic plates.
Cut film (Photog.), a celluloid film cut into pieces suitable for use in a camera. [Webster 1913 Suppl.]