#cellulose_ester__celluloseester  any ester of cellulose with an acid
  supertype:  ester  formed by reaction between an acid and an alcohol with elimination of water
  substance:  cellulose
  subtype:  cellulose_nitrate__cellulosenitrate__nitrocellulose__guncotton__nitrocotton  nitric acid esters; used in lacquers and explosives
     subtype:  pyrocellulose  nitrocellulose containing less nitrogen than guncotton; used in making smokeless powder
     subtype:  pyroxylin__pyroxyline  highly flammable nitrocellulose used in making collodion and plastics and lacquers
  subtype:  cellulose_acetate__celluloseacetate  an ester of acetic acid; used in fibers and fabrics; photographic films and varnishes
     subtype:  cellulose_triacetate__cellulosetriacetate__triacetate  slow-burning; used instead of celluloid for motion-picture film
  subtype:  cellulose_xanthate__cellulosexanthate__viscose  a cellulose ester obtained by treating cellulose with caustic soda

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