Celluloid (noun)

A type of plastic made from cellulose, used in a wide range of products, including film stock for motion pictures, photographic plates, and other applications.

Origin:

The word celluloid is derived from the french word cellulose, which refers to a type of plant fiber, and the greek word eidos, meaning form or shape, referring to the first man-made plastic made from cellulose.

Examples:

1. Celluloid was the first man-made plastic.
2. Celluloid was used to make early motion picture film.
3. Celluloid is highly flammable and has been replaced by safer materials in many applications.
4. Celluloid was used to make buttons, combs and other items.
5. Celluloid is a thermoplastic material.