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English definition of “expound”

expound

verb [I or T] uk   /ɪkˈspaʊnd/ formal us  
to give a detailed explanation of something: He's always expounding on what's wrong with the world. She uses her newspaper column to expound her views on environmental issues.Defining and explaining
(Definition of expound from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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