cellulose acetate
Technical term for the acetate ester of cellulose, used in films, fibers, and coatings.
Cellulose acetate has been used as a base material for photographic film.
Compound of 酢酸 (sakusan, 'acetic acid') and セルロース (serurōsu, 'cellulose'), a calque of English 'cellulose acetate'.