triacetate vs cellulose acetate

triacetate and cellulose acetate both are nouns.

Word	Noun	Adjective	Verb	Adverb
triacetate	Yes	No	No	No
cellulose acetate	Yes	No	No	No

As nouns, cellulose acetate is a hypernym of triacetate; that is, cellulose acetate is a word with a broader meaning than triacetate:

triacetate: cellulose acetate that is relatively slow to burn; used instead of celluloid for motion-picture film
cellulose acetate: an ester of acetic acid; used in fibers and fabrics; photographic films and varnishes

triacetate (noun)	cellulose acetate (noun)
cellulose acetate that is relatively slow to burn; used instead of celluloid for motion-picture film	an ester of acetic acid; used in fibers and fabrics; photographic films and varnishes