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

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O开头单词 (共36,133个)
octadecenoyls
plural of octadecenoyl
octadecyl
Any of very many isomeric univalent hydrocarbon radicals, C₁₈H₃₇, formally derived from an octadecan...
octadecylamine
Any of very many isomeric amines derived from an octadecane, but especially the primary amine CH₃(CH...
octadecylamines
plural of octadecylamine
octadecyls
plural of octadecyl
octadecylsilane
A surface coating used in reversed-phase chromatography.
octadecyne
Any aliphatic hydrocarbon having a chain of eighteen carbon atoms and containing one triple bond.
octadehydrocorrins
plural of octadehydrocorrin
octadentate
Of a ligand, capable of forming eight separate chemical bonds to a coordinating metal ion
octadepsipeptide
An oligomeric form of depsipeptide composed of eight monomers
octadepsipeptides
plural of octadepsipeptide
octadic
of or pertaining to an octad; eightfold
octadienal
Any of several isomeric unsaturated aliphatic aldehyde having eight carbon atoms and two double bond...
octadienals
plural of octadienal
octadiene
Any of several isomeric dienes having eight carbon atoms
octadienes
plural of octadiene
octadrachm
An Ancient Greek coin having a value of eight drachmas.
octadrachms
plural of octadrachm
octads
plural of octad