请输入您要查询的英文单词:

 

单词 aryl
释义

aryl

adjective

ar·​yl ˈa-rəl How to pronounce aryl (audio)
ˈer-əl
: having or being a monovalent organic radical (such as phenyl) derived from an aromatic hydrocarbon by the removal of one hydrogen atom
often used in combination

Word History

Etymology

borrowed from German Arryl, from aromatisch aromatic entry 1 + -yl -yl

Note: The term was introduced by the German chemist Daniel Vorländer (1867-1941) in "Alkyl, Alphyl und Arryl," Journal für praktische Chemie, Band 167 (Neue Folge Band 59) (1899), pp. 247-48. The motivation for the doubled -r- is unclear, but in any case one r was soon dropped in both German and English.

First Known Use

1899, in the meaning defined above

Medical Definition

aryl

noun

ar·​yl ˈar-əl How to pronounce aryl (audio)
: a radical (as phenyl) derived from an aromatic hydrocarbon by the removal of one hydrogen atom
随便看

 

英语词典包含469781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:2024/9/20 13:37:35