collodion

[kuh-loh-dee-uhn]
noun
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.

Origin:
1850–55; alteration of Neo-Latin collodium < Greek kollṓd(ēs) glutinous (kóll(a) glue + -ōdēs -ode1) + -ium -ium

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World English Dictionary
collodion or collodium (kəˈləʊdɪən, kəˈləʊdɪəm)
 
n
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
 
[C19: from New Latin collōdium, from Greek kollōdēs glutinous, from kolla glue]
 
collodium or collodium
 
n
 
[C19: from New Latin collōdium, from Greek kollōdēs glutinous, from kolla glue]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

collodion col·lo·di·on (kə-lō'dē-ən)
n.
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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Example sentences 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.
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