You can use celluloid to refer to films and the cinema.
例句
King's works seem to lack something on celluloid.金的作品搬上銀幕后似乎缺點什么。
英漢詞典釋義
n.
賽璐珞；電影膠片
Her marvellous acting talent is preserved on celluloid.她非凡的表演才能在電影里被保存下來。
英英詞典釋義
Noun
1. 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
2. a medium that disseminates moving pictures;
"theater pieces transferred to celluloid""this story would be good cinema""film coverage of sporting events"