cellulose triacetate cel·lu·lo·setriacetate uncommon noun 1. cellulose acetate that is relatiely slow to burn; used instead of celluloid for motion-picture film Synonymscellulose triacetatetriacetate Related words Broader terms cellulose acetate WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
