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English definition of “sourdough”

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sourdough

noun [U] uk   /ˈsaʊə.dəʊ/ us    /ˈsaʊr.doʊ/
a mixture of flour and water that is left to ferment (= change in a chemical process) and then used to make bread: sourdough bread
Translations of “sourdough”
in Chinese (Traditional) 酵頭(發酵用的含酵母麵團),發酵麵糰…
in Chinese (Simplified) 酵头,面肥(发酵用的含酵母面团)…
(Definition of sourdough from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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