• synonyms


[pahy-rok-suh-lin, puh-]
  1. a nitrocellulose compound containing fewer nitrate groups than guncotton, used in the manufacture of artificial silk, leather, oilcloth, etc.
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Also py·rox·y·line [pahy-rok-suh-lin, -leen, puh-] /paɪˈrɒk sə lɪn, -ˌlin, pə-/.

Origin of pyroxylin

1830–40; pyro- + xyl- + -in2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for pyroxylin

Historical Examples of pyroxylin

  • He tried mixing in various things to stiffen up the pyroxylin.

    Creative Chemistry

    Edwin E. Slosson

  • Pure xyloidin differs but slightly from pyroxylin, or pure gun-cotton.

  • The lower nitrates, known as pyroxylin, are less explosive, although still very inflammable.

    Creative Chemistry

    Edwin E. Slosson

  • The quality of collodion differs according to the proportions of alcohol and ether and the nature of the pyroxylin it contains.

  • The silk referred to is made from a solution of that inflammable material of tremendous force known as gun-cotton, or pyroxylin.

    Inventions in the Century

    William Henry Doolittle

British Dictionary definitions for pyroxylin


  1. a yellow substance obtained by nitrating cellulose with a mixture of nitric and sulphuric acids; guncotton: used to make collodion, plastics, lacquers, and adhesives
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Word Origin for pyroxylin

C19: from pyro- + xyl (o) - + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

pyroxylin in Medicine


  1. A highly flammable cellulose nitrate used in the manufacture of collodion, plastics, and lacquers.trinitrocellulose
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.