请输入您要查询的英文单词:

 

单词 polyethylene oxide
释义

polyethylene oxide

noun
Any polymer in which the repeating unit is the group —OCH2CH2; especially any of a class of thermoplastics of high molecular weight made from ethylene oxide or ethylene glycol (usually by copolymerization of both) and used especially as water-soluble films.

Origin

1930s; earliest use found in Chemical Abstracts.

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:2024/12/24 4:29:16