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English definition of “stone”

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stone

noun
 
 
/stəʊn/
SUBSTANCE [U] B1 a hard, natural substance that is found in the ground: a stone wallTypes of rockPrecious and semi-precious stones
ROCK [C] B1 a small rock or piece of rockTypes of rockPrecious and semi-precious stones
JEWEL [C] B1 a hard, valuable substance that is often used in jewellery: precious stonesJewelleryPrecious and semi-precious stonesTypes of rock
WEIGHT [C] ( plural stone) UK a unit for measuring weight, equal to 6.35 kilograms or 14 pounds: I gained two stone when I was pregnant. Measurements of weight and massArea, mass, weight and volume in general
SEED [C] the hard seed that is at the centre of some fruits: a cherry stone →  See also stepping-stone Fruits and seeds and their parts
(Definition of stone noun from the Cambridge Learners Dictionary © Cambridge University Press)
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