请输入您要查询的英文单词:

 

单词 diose
释义 diose Chem.|ˈdaɪəʊz, -s|
[f. di-2 + -ose2.]
A generic term, analogous to triose, hexose, etc., for a ‘sugar’ containing two carbon atoms; the only possible one is glycolaldehyde, CHO·CH2OH.
1904Jrnl. Phys. Chem. VIII. 509 Dioses, trioses, tetroses.1948W. Pigman Chem. Carbohydrates i. 17 Carbohydrates are usually classified according to the number of carbon atoms, e.g. pentoses, hexitols, heptonic acids. ‘Monose’, however, has been used as a short term for the preferred term ‘monosaccharide’, and also as a superfluous synonym for ‘formaldehyde’. Similarly, glycolic aldehyde is called a ‘diose’, whereas the ending ‘-biose’ denotes a disaccharide, as in ‘melibiose’ and ‘gentibiose’.
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 15:14:53