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Webster 1913 Edition


Collodion

Col-lo′di-on

,
Noun.
[Gr. [GREEK] like glue;
κόλλα
glue + [GREEK] 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.

Definition 2024


collodion

collodion

English

Noun

collodion (plural collodions)

  1. 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.
    • 1993, Rikki Ducornet, The Jade Cabinet, Dalkey Archive Press, p. 14:
      The mysterious odour of collodion permeates these memories.