单词 | pyroxylic |
释义 | pyroxylicadj. Chemistry. Now rare. Produced by the action of fire or heat on wood. Chiefly in pyroxylic spirit n. at Compounds. Cf. pyroligneous adj. ΚΠ 1803 J. Robison Black's Lect. Elements Chem. II. 374 An acid now called pyro-lignic (pyro-xylic). 1855 A. B. Garrod Essentials Materia Medica 95 Creosote..is..also obtained from oil of tar, or pyroxylic oil, and is contained in the smoke from wood. 1897 Steubenville (Ohio) Herald 5 May 1/2 The drug they drank was found to be pyroxylic alcohol, a deadly poison intended for mechanical purposes only. Compounds pyroxylic spirit n. = wood-spirit n. 2. ΚΠ 1824 Ann. Philos. New Ser. 8 69 Pyroxylic spirit..is obtained during the rectification of pyrolignous acid. 1857 W. A. Miller Elements Chem. III. 125 Methylic Alcohol, Methylic Hydrate, Wood Spirit, or Pyroxylic Spirit.—This alcohol..was first observed by Taylor in 1812 amongst the products of the destructive distillation of wood. 1913 Jrnl. Industr. & Engin. Chem. 5 768/1 The crude methyl alcohol of commerce is also termed wood spirit, wood naphtha, or pyroxylic spirit. This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022). < adj.1803 |
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