collodion
NounWordNet 3.0
Noun (1)
- a colorless syrupy solution of pyroxylin in ether and alcohol; used as a coating for wounds or photographic films
Webster's Dictionary (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]