celluloid vs artificial

celluloid is a noun but artificial is not a noun.

Word	Noun	Adjective	Verb	Adverb
celluloid	Yes	Yes	No	No
artificial	No	Yes	No	No

celluloid (noun)	artificial (noun)
a medium that disseminates moving pictures
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

celluloid (adjective)	artificial (adjective)
artificial as if portrayed in a film	contrived by art rather than nature
	artificially formal
	not arising from natural growth or characterized by vital processes