Noun | 1. | guncotton - a nitric acid ester; used in lacquers and explosives blasting gelatin - mixture of guncotton with nitroglycerin cordite - explosive powder (nitroglycerin and guncotton and petrolatum) dissolved in acetone and dried and extruded in brown cords cellulose ester - any ester of cellulose with an acid pyrocellulose - nitrocellulose containing less nitrogen than guncotton; used in making smokeless powder pyroxylin, pyroxyline - highly flammable nitrocellulose used in making collodion and plastics and lacquers celluloid - 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 nitrate - any compound containing the nitrate group (such as a salt or ester of nitric acid) |