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from the GNU version of the Collaborative International Dictionary of English

  • n. A compound, originally made from gun cotton and castor oil, but later from different materials, and used as a substitute for vulcanized India rubber and for ivory; -- called also xylotile.

from The Century Dictionary and Cyclopedia

  • n. The name given by the inventor, Alex. Parkes, to a plastic material, with properties like those of horn or ivory, obtained by evaporating a solution of pyroxylin to which other substances had been added. Its manufacture was not commercially successful, but it was a precursor of the better-known celluloid.


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