请输入您要查询的英文单词:

 

单词 retene
释义

retene

/ˈrɛtiːn/
Chemistry
noun
A crystalline aromatic hydrocarbon occurring in coal tar and as a product of the breakdown of conifer resins.
  • Retene has a tricyclic molecule based on a phenanthrene ring system. Systematic name: 1-methyl-7-isopropylphenanthrene; C18H18..

Origin

Mid 19th century (in an earlier sense). From ret- + -ene.

随便看

 

英语词典包含243303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:2024/11/14 4:41:33