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English definition of “motion”

motion

noun (MOVEMENT)    /ˈməʊ.ʃən/ US  /ˈmoʊ-/
C2 [C or U] the act or process of moving , or a particular action or movement : The violent motion of the ship upset his stomach . He rocked the cradle with a gentle backwards and forwards motion. They showed the goal again in slow motion (= at a slower speed so that the action could be more clearly seen ).MovementGeneral words for movement [C] UK a polite way of referring to the process of getting rid of solid waste from the body , or the waste itself: The nurse asked if her motions were regular .Excrement and its excretion
(Definition of motion noun (MOVEMENT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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