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collodion 音标拼音: [kəl'odiən] n. 柯罗定[药品名] 柯罗定[药品名] collodion n 1: a colorless syrupy solution of pyroxylin in ether and alcohol; used as a coating for wounds or photographic films Collodion \Col*lo"di*on\, n. [Gr. ? like glue; ko`lla glue ?
form. Cf. {Colloid}.] (Chem.) A solution of pyroxylin (soluble gun cotton) in ether containing a varying proportion of alcohol. It is strongly adhesive, and is used by surgeons as a coating for wounds; but its chief application is as a vehicle for the sensitive film in photography. [1913 Webster] {Collodion process} (Photog.), a process in which a film of sensitized collodion is used in preparing the plate for taking a picture. {Styptic collodion}, collodion containing an astringent, as tannin. [1913 Webster]
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