Collodion :: Collodion (n.) 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..
Collodionize :: Collodionize (v. t.) To prepare or treat with collodion.
Collodiotype :: Collodiotype (n.) A picture obtained by the collodion process; a melanotype or ambrotype.