celluloid

[ sel-yuh-loid ]
/ ˈsɛl yəˌlɔɪd /

noun

a tough, highly flammable substance consisting essentially of cellulose nitrate and camphor, used in the manufacture of motion-picture and x-ray film and other products.
motion-picture film.

adjective

Informal. of or involving motion pictures.

Origin of celluloid

former trademark; cellul(ose) + -oid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for celluloid

British Dictionary definitions for celluloid

celluloid

/ (ˈsɛljʊˌlɔɪd) /

noun

a flammable thermoplastic material consisting of cellulose nitrate mixed with a plasticizer, usually camphor: used in sheets, rods, and tubes for making a wide range of articles
  1. a cellulose derivative used for coating film
  2. one of the transparent sheets on which the constituent drawings of an animated film are prepared
  3. a transparent sheet used as an overlay in artwork
  4. cinema film
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for celluloid

celluloid


n.

transparent plastic made from nitro-celluloses and camphor, 1871, trademark name (reg. U.S.), a hybrid coined by U.S. inventor John Wesley Hyatt (1837-1900) from cellulose + Greek-based suffix -oid. Used figuratively for "motion pictures" from 1934. Abbreviated form cell "sheet of celluloid" is from 1933 (cf. cel).

Online Etymology Dictionary, © 2010 Douglas Harper