请输入您要查询的英文单词:

 

单词 penta-compound
释义

> as lemmas

penta-compound
penta-compound n.
Brit. /ˈpɛntəˌkɒmpaʊnd/
,
U.S. /ˈpɛn(t)əˌkɑmpaʊnd/
Chemistry rare an organic compound whose molecule contains five carbon atoms, or five groups of a particular kind.
ΚΠ
1866 W. Odling Lect. Animal Chem. iv. 66 Of tri-, tetra-, and penta-compounds, including glycerine, the lactic, butyric..and valeric acids.
1935 Jrnl. Amer. Chem. Soc. 57 2325/2 The identity of the penta compound was confirmed by a mixed melting point with the ester prepared by the action of ethereal diazomethane on a sample of Eastman benzenepentacarboxylic acid.
extracted from penta-comb. form
<
as lemmas
随便看

 

英语词典包含1132095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:2024/12/23 13:36:07