leaven Meaning, definition in Cambridge English Dictionary
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Meaning of "leaven" - English Dictionary

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leavenverb [T]

uk   us   /ˈlev.ən/
to add a substance to bread or another food made with flour to make it increase in size when it is cooked formal to make something less boring: Even a speech on a serious subject should be leavened with a little humour.
Translations of “leaven”
in Chinese (Traditional) 使發酵, 使變得有趣…
in Chinese (Simplified) 使发酵, 使变得有趣…
(Definition of leaven from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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