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a product of the action of a mixture of nitric and sulfuric acids on cotton; used to make collodion.


Consists chiefly of cellulose tetranitrate, obtained by the action of nitric and sulfuric acids on cotton; used in the preparation of collodion.
[pyro- + G. xylon, wood]


/ni·tro·cel·lu·lose/ (ni″tro-sel´ūl-ōs) pyroxylin.

nitrocellulose (nitr)

a mixture of nitrate esters of cellulose made by treating cotton with nitric and sulfuric acids. Solutions in a mixture of ether and alcohol are used as "plastic skin" under the name of collodion. Also called pyroxylin.


pyroxylin, a base which is dissolved in alcohol or ether to form collodion.
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