#cellulose_acetate__celluloseacetate  an ester of acetic acid; used in fibers and fabrics; photographic films and varnishes
  supertype:  #cellulose_ester__celluloseester  any ester of cellulose with an acid
  substance of:  #acetate_rayon
  subtype:  #cellulose_triacetate__cellulosetriacetate__triacetate  slow-burning; used instead of celluloid for motion-picture film

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