请输入您要查询的英文单词:

 

单词 pyroxylic
释义 pyroxylic, a. Chem.|paɪərɒkˈsɪlɪk|
Also erron. -ilic.
[f. as prec. + -ic.]
Obtained from wood by means of fire, i.e. by dry distillation; chiefly in pyroxylic spirit, an early name for methyl alcohol (CH4O), also called wood-spirit.
a1799[see pyrolignic].1824Ann. Philos. July 69 Pyroxylic spirit..is obtained during the rectification of pyrolignous acid.1838T. Thomson Chem. Org. Bodies 346 When wood is distilled for the purpose of obtaining acetic acid, the pyroxylic spirit is formed, and found in the aqueous liquid which comes over.1857Miller Elem. 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.1874Garrod & Baxter Mat. Med. (1880) 175 Creasote..is also obtained from oil of tar, or pyroxylic oil, and is contained in the smoke from wood.
随便看

 

英语词典包含277258条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/22 15:54:06