this used to be my baby
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Cel´lu`loid` Pronunciation: sĕl´ũ`loid - 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 - 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 - artificial as if portrayed in a film; "a novel with flat celluloid characters"