| 释义 |
ox-
I. combining form
or oxo-
Etymology: French, from oxygène oxygen — more at oxygen
1. : containing oxygen — especially in the names of various cyclic compounds
< oxazole >
2. usually oxo- : containing oxygen in a carbonyl group specifically regarded as formed by replacement of two hydrogen atoms in a methylene group by oxygen — in names of ketones or compounds (as heterocyclic compounds) that are not true ketones because the carbonyl group is not attached to two carbon atoms
< oxo-acetic acid >
< 2-oxo-indoline >
< oxindole >
— distinguished from oxy-; compare ket-
II. combining form
Etymology: by shortening
: oxal-
< oxamide > |