Wiktionary英语词典
收录 1,329,381 个英语单词，来自Wiktionary的英文释义、IPA发音、词源、词形变化和词汇关系数据
O开头单词
(共36,133个)
plural of oxomutase
Postal abbreviation for Oxfordshire.
A saturated heterocycle that has eight carbon atoms and an oxygen atom
plural of oxonane
A salt of oxonic acid.
plural of oxonate
Oxonian
英 /ɒkˈsəʊ.nɪ.ən/
Of or pertaining to Oxford or to the University of Oxford.
plural of Oxonian
The unsaturated nine-membered heterocycle having eight carbon atoms, one oxygen atom and four double...
plural of oxonine
oxonium
英 /ɒkˈsəʊnɪ.əm/
Any univalent oxygen cation derived from water, the simplest of which is the hydronium ion (H₃O⁺).
Synonym of hydronium ion.
plural of oxonium ion
plural of oxonium
Any of a series of fluorescent dyes that have two or more oxazol rings
plural of oxonol
Any salt or ester of the keto acid derived from nonanoic acid, some of which have biochemical functi...
plural of oxononanoate
Any ketone derivative of nonenal (in which a methylene group is converted to a carbonyl group) but e...