• WordNet 3.6
    • n pyroxylin highly flammable nitrocellulose used in making collodion and plastics and lacquers
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Webster's Revised Unabridged Dictionary
    • n pyroxylin (Chem) A substance resembling gun cotton in composition and properties, but distinct in that it is more highly nitrified and is soluble in alcohol, ether, etc.; -- called also pyroxyle.
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Century Dictionary and Cyclopedia
    • n pyroxylin Guncotton or a similar substance obtained by immersing vegetable fiber in nitric or nitrosulphuric acid, and then suffering it to dry. Such substances are nitro-derivatives of cellulose. Also pyroxyle.
    • n pyroxylin This term is now usually applied to the less highly nitrated product of the interaction of cellulose and nitric acid, soluble in a mixture of ether and alcohol, not to the more highly nitrated insoluble gun-cotton used as an explosive.
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Chambers's Twentieth Century Dictionary
    • ns Pyroxylin gun-cotton
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Chambers's Twentieth Century Dictionary
Gr. pyr, fire, xylon, wood.


In literature:

PYROXYLINE, an explosive substance obtained by steeping vegetable fibre in nitro-sulphuric acid and drying after it is washed.
"The Nuttall Encyclopaedia" by Edited by Rev. James Wood
Pyroxyline would be a better word, as this applies to all grades.
"Scientific American Supplement, No. 821, Sep. 26, 1891" by Various
The lower nitrates, known as pyroxylin, are less explosive, although still very inflammable.
"Creative Chemistry" by Edwin E. Slosson
They are produced commercially and are known as "gun cotton" or "pyroxyline".
"The Dyeing of Cotton Fabrics" by Franklin Beech
It is afterwards exposed to dry, when a pyroxyline (a substance resembling gun-cotton) forms.
"Paper and Printing Recipes" by J. Sawtelle Ford
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" by William Henry Doolittle