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[kuh-loh-dee-uh n] /kəˈloʊ di ən/
a yellowish, viscous, highly flammable solution of pyroxylin in ether and alcohol: used in the manufacture of photographic film, in engraving and lithography, and in medicine chiefly for cementing dressings and sealing wounds.
1850-55; alteration of New Latin collodium < Greek kollṓd(ēs) glutinous (kóll(a) glue + -ōdēs -ode1) + -ium -ium Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for collodion
  • This became known as the wet plate collodion or wet collodion method.
  • collodion is used in the cleaning of optics such as telescope mirrors.
  • The collodion is applied to the surface of the optic, usually in two or more layers.
British Dictionary definitions for collodion


a colourless or yellow syrupy liquid that consists of a solution of pyroxylin in ether and alcohol: used in medicine and in the manufacture of photographic plates, lacquers, etc
Word Origin
C19: from New Latin collōdium, from Greek kollōdēs glutinous, from kolla glue
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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collodion in Medicine

collodion col·lo·di·on (kə-lō'dē-ən)
A highly flammable, colorless or yellowish syrupy solution of pyroxylin, ether, and alcohol, used as an adhesive to close small wounds and hold surgical dressings, in topical medications, and for making photographic plates.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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