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)
An eight-membered, unsaturated heterocycle containing six carbon atoms, one oxygen and one nitrogen ...
plural of oxazocine
A benzodiazepine drug with anxiolytic, anticonvulsant, sedative and skeletal muscle relaxant propert...
A five-membered heterocycle having three carbon atoms, one oxygen atom, one nitrogen atom and two do...
plural of oxazole
A saturated heterocycle containing three carbon atoms and one nitrogen and one oxygen atom; any of i...
A five-membered saturated heterocyclic ketone having one nitrogen atom, one oxygen atom and two carb...
plural of oxazolidinedione
plural of oxazolidine
Any cyclic thione derived from oxazolidine.
plural of oxazolidinethione
Any of a class of heterocyclic ketones, derived from oxazolidine, useful in organic synthesis.
plural of oxazolidinone
Alternative form of oxazolidinone.
plural of oxazolidone
An unsaturated heterocyclic compound containing a five-membered ring, one double bond, one nitrogen ...
plural of oxazoline
Any cation derived from an oxazole
plural of oxazolinium
Any oxazoline derivative of an anthracycline