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English definition of “principle”

principle

noun [C often pl] (BASIC TRUTH)   /ˈprɪn·sə·pəl/
a basic truth that explains or controls how something happens or works: the principles of Newtonian physics in principle Someone who agrees to something in principle agrees with the idea, but may not agree with using the idea to bring about practical changes: In principle I agree that mothers should spend as much time as possible with their young children, but it isn’t easy.
(Definition of principle noun (BASIC TRUTH) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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