Definition of Colodion
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.
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.
- Webster's Unabridged Dictionary (1913)
- a syrupy solution of pyroxylin in alcohol and ether that evaporates on a surface to form a clear elastic film; used in surgical dressings, photographic plates and lacquer paints
- The Nuttall Encyclopedia
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