Consists chiefly of cellulose tetranitrate, obtained by the action of nitric and sulfuric acid s on cotton; used in the preparation of collodion. SYN: colloxylin, dinitrocellulose, nitrocellulose, soluble gun cotton, xyloidin. [pyro- + G. xylon, wood]

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py·rox·y·lin pī-'räk-sə-lən, pə- n a flammable mixture of cellulose nitrates usu. with less than 12.5 percent nitrogen that is less explosive than guncotton, soluble in a mixture of ether and alcohol or other organic solvents, and used esp. in making plastics and coatings (as lacquers) see COLLODION

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py·roxy·lin (pir-okґsə-lin) [pyr- + Gr. xylon wood] [USP] 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. Called also guncotton and nitrocellulose.

Medical dictionary. 2011.

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  • pyroxylin — py*rox y*lin, n. (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}. [1913 Webster] …   The Collaborative International Dictionary of English

  • Pyroxylin — Pyroxylin, so v.w. Schießbaumwolle …   Pierer's Universal-Lexikon

  • Pyroxylīn — (griech.), s. Schießbaumwolle …   Meyers Großes Konversations-Lexikon

  • Pyroxylin — Pyroxylīn, s. Schießbaumwolle …   Kleines Konversations-Lexikon

  • Pyroxylin — Pyroxylin, griech. deutsch, Schießbaumwolle …   Herders Conversations-Lexikon

  • pyroxylin — or pyroxyline [pī räk′sə lin] n. [Fr pyroxyline < Gr pyr, FIRE + xylon, wood] nitrocellulose, esp. in less highly nitrated and explosive forms than guncotton …   English World dictionary

  • pyroxylin — noun Etymology: International Scientific Vocabulary pyr + Greek xylon wood Date: circa 1847 1. a flammable mixture of nitrocelluloses used especially in making plastics and water repellent coatings (as lacquers) 2. a pyroxylin product …   New Collegiate Dictionary

  • pyroxylin — piroksilinas statusas T sritis chemija apibrėžtis Sprogstamoji medžiaga iš trinitroceliuliozės. atitikmenys: angl. guncotton; pyroxylin rus. пироксилин …   Chemijos terminų aiškinamasis žodynas

  • pyroxylin — /puy rok seuh lin, peuh /, n. a nitrocellulose compound containing fewer nitrate groups than guncotton, used in the manufacture of artificial silk, leather, oilcloth, etc. Also, pyroxyline /puy rok seuh lin, leen , peuh /. [1830 40; PYRO + XYL +… …   Universalium

  • pyroxylin — noun A highly inflammable form of nitrocellulose; used in the manufacture of collodion and lacquers …   Wiktionary

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