pyroxylin膠棉、弱棉火棉、二硝化纖維素學術名詞火棉膠：化學術語、藥學火綿膠：高分子材料、資訊硝基纖維素溶液：高分子材料英文釋義highly flammable nitrocellulose used in making collodion and plastics and lacquers