pyroxylin
American Heritage Dictionary:
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py·rox·y·lin
(pī-rŏk'sə-lĭn) 
also py·rox·y·line (-lēn', -lĭn)
n.
A highly flammable nitrocellulose used in the manufacture of collodion, plastics, and lacquers.
also py·rox·y·line (-lēn', -lĭn)n.
A highly flammable nitrocellulose used in the manufacture of collodion, plastics, and lacquers.
pyroxylin (pīrŏk'sĭlĭn), partially nitrated cellulose (see nitrocellulose). It is used in lacquers, plastics, and artificial leathers. Pyroxylin lacquers are made by dissolving pyroxylin in a mixture of volatile solvents and adding a plasticizer and a pigment or dye. Pyroxylin plastics are made by colloiding pyroxylin with large amounts of a plasticizer such as camphor; such plastics (e.g., celluloid) are highly flammable. Collodion is a solution of pyroxylin in ether and ethanol.
American Heritage Stedman's Medical Dictionary:
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py·rox·y·lin
Saunders Veterinary Dictionary:
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pyroxylin
A product of the action of a mixture of nitric and sulfuric acids on cotton, consisting chiefly of cellulose tetranitrate; a necessary ingredient of collodion.
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American Heritage Dictionary
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
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Columbia Encyclopedia
The Columbia Electronic Encyclopedia, Sixth Edition Copyright © 2012, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/.
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American Heritage Stedman's Medical Dictionary
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company.
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