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English definition of “stone”

stone

noun [C] (WEIGHT)    /stəʊn/ US  /stoʊn/ (plural stone or stones) (written abbreviation st) UK
a unit of weight equal to 14 pounds or 6.35 kilograms, used especially when talking about a person's weight: I weigh ten and a half stone. She has put on/lost a stone (= is a stone heavier/lighter).Measurements of weight and mass
(Definition of stone noun (WEIGHT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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