Collodion

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]

From WordNet (r) 2.0 [wn]:

  collodion
       n : a colorless syrupy solution of pyroxylin in ether and
           alcohol; used as a coating for wounds or photographic
           films