CELLULOID

celluloid, synthetic

(adjective) artificial as if portrayed in a film; “a novel with flat celluloid characters”

film, cinema, celluloid

(noun) a medium that disseminates moving pictures; “theater pieces transferred to celluloid”; “this story would be good cinema”; “film coverage of sporting events”

celluloid

(noun) highly flammable substance made from cellulose nitrate and camphor; used in e.g. motion-picture and X-ray film; its use has decreased with the development of nonflammable thermoplastics

Source: WordNet® 3.1

Etymology

Former trademark of Celluloid Manufacturing Company

Noun

celluloid (countable and uncountable, plural celluloids)

Any of a variety of thermoplastics created from nitrocellulose and camphor, once used as photographic film.

(figuratively, often used attributively) The genre of cinema; film.

Source: Wiktionary

Cel"lu*loid`, n. Etym: [Cellulose + -oid.]

Definition: A substance composed essentially of gun cotton and camphor, and when pure resembling ivory in texture and color, but variously colored to imitate coral, tortoise shell, amber, malachite, etc. It is used in the manufacture of jewelry and many small articles, as combs, brushes, collars, and cuffs; -- originaly called xylonite.

Source: Webster’s Unabridged Dictionary 1913 Edition