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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X开头单词 (共2,525个)
xanthin
Alternative spelling of xanthine.
xanthine 英 /ˈzanθiːn/|/ˈzanθaɪn/
Any of a group of alkaloids that include caffeine, theophylline, and theobromine as well as the pare...
xanthine oxidase
A crystallizable flavoprotein enzyme containing iron and molybdenum that promotes the oxidation espe...
xanthine oxidases
plural of xanthine oxidase
xanthines
plural of xanthine
xanthinic
Of or relating to xanthine.
xanthinin
Alternative form of xanthinine.
xanthinine
A poorly-characterised material, related to urea and uric acid, that forms yellow salts, and exhibit...
xanthinol
A drug prepared from theophylline, used as a vasodilator.
xanthinosin
The sesquiterpenoid xanthanolide (3~{a}~{R},7~{S},8~{a}~{S})-7-methyl-3-methylidene-6-(3-oxobutyl)-4...
xanthinoxidase
Alternative form of xanthine oxidase.
xanthinoxidases
plural of xanthinoxidase
xanthins
plural of xanthin
xanthinuria
An abnormally high level of xanthine in one's urine.
xanthinurias
plural of xanthinuria
xanthinuric
Relating to, or exhibiting, xanthinuria.
xanthiol
A saturated thioxanthene preparation.
xanthione
The thione analog of xanthine, 9H-xanthene-9-thione
xanthiosite
A phosphate mineral first discovered in Germany in 1858.
Xanthippe 英 /zænˈθɪpi/
An ill-tempered woman.