celluloid
noun [ U ] uk/ˈsel.jə.lɔɪd/ us/ˈsel.jə.lɔɪd/
old-fashioned（总称）电影
films or the cinema generally
Critics called it "The most seductive image of woman ever committed to celluloid" (= put in a film). 评论家称之为“最具诱惑力的女性银幕形象”。
（尤指旧时用于制作电影胶片的）赛璐珞，明胶
a type of plastic used to make many things, especially, in the past, photographic film