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English definition of “theory”

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theory

noun [C or U] uk   /ˈθɪə.ri/ us    /ˈθɪr.i/
B2 a formal statement of the rules on which a subject of study is based or of ideas that are suggested to explain a fact or event or, more generally, an opinion or explanation: economic theory scientific theory Darwin's theory of evolution He has a theory that the hole was caused by a meteorite.in theory B2 If something is possible in theory, it should be possible, but often it does not happen in that way: In theory, the journey should take three hours, but in practice it usually takes four because of roadworks.
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Translations of “theory”
in Korean 이론…
in Arabic نَظَرِيّة…
in French théorie…
in Turkish kuram, teori…
in Italian teoria…
in Chinese (Traditional) 理論, 學說, 意見…
in Russian теория…
in Polish teoria…
in Spanish teoría…
in Portuguese teoria…
in German die Theorie…
in Catalan teoria…
in Japanese 理論, 説…
in Chinese (Simplified) 理论, 学说, 意见…
(Definition of theory from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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