celluloid

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun 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. noun a medium that disseminates moving pictures
  3. adjective artificial as if portrayed in a film

Etymology

Former trademark of Celluloid Manufacturing Company; from cellulose + -oid.

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