Wiktionary英语词典

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U开头单词 (共36,822个)
umbellaster
A group of flowers arising from one point.
umbellasters
plural of umbellaster
umbellate
Having umbels.
umbellate wintergreen
Synonym of prince's pine
umbellated
Bearing umbels.
umbellately
In an umbellate manner.
umbelled
Having umbels.
umbellet
A secondary umbel in a compound umbel such as the carrot; an umbellule.
umbellets
plural of umbellet
umbellic
umbellar
umbellic acid
dihydroxycinnamic acid, obtained from certain umbelliferous plants
umbellifer
Any plant of the family Apiaceae, also called Umbelliferae, whose inflorescence is an umbel, such as...
umbelliferon
Alternative form of umbelliferone.
umbelliferone
A yellowish-white natural product of the coumarin family, occurring in such plants as carrot and cor...
umbelliferones
plural of umbelliferone
umbelliferous
Bearing umbels.
umbellifers
plural of umbellifer
umbelliferyl
A univalent radical derived from umbelliferone
umbelliferyls
plural of umbelliferyl
umbelliform
Having the shape of an umbel.