- A liquid made by dissolving pyroxylin or gun cotton in ether and alcohol; on evaporation it leaves a glossy contractile film; used as a protective for cuts or as a vehicle for the local application of medicinal substances. SYN: collodium. [Mod. L. collodium, fr. G. kolla, glue]- cantharidal c. a powdered chloroform extract of cantharides in flexible c.; a vesicant. SYN: blistering c., c. vesicans.- flexible c. a mixture of camphor, castor oil, and c., or a mixture of castor oil, Canada turpentine, and c., used for the same purposes as c., but its film possesses the advantage, for certain conditions, of not contracting.- styptic c. tannic acid in flexible c.; an astringent and local hemostatic. SYN: hemostatic c., styptic colloid, xylostyptic ether.- c. vesicans SYN: cantharidal c..
* * *col·lo·di·on kə-'lōd-ē-ən n a viscous solution of pyroxylin used esp. as a coating for wounds or for photographic films
* * *n.a syrupy solution of nitrocellulose in a mixture of alcohol and ether. When applied to the surface of the body it evaporates to leave a thin clear transparent skin, useful for the protection of minor wounds. Flexible collodion also contains camphor and castor oil, which allow the skin to stretch a little more.
* * *col·lo·di·on (kə-loґde-ən) [L. collodium, from Gr. kollōdēs glutinous] [USP] a clear or slightly opalescent, highly flammable, syrupy liquid compounded of pyroxylin, ether, and alcohol, which dries to a transparent, tenacious film; used as a topical protectant, applied to the skin to close small wounds, abrasions, and cuts, to hold surgical dressings in place, and to keep medications in contact with the skin.
Medical dictionary. 2011.