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English definition of “solid”

solid

noun [C] (OBJECT)    /ˈsɒl.ɪd/ US  /ˈsɑː.lɪd/ specialized
an object that has a height, width, and length, and is not flat: A cube and a pyramid are both solids.Geometrical shapesSpherical, circular and annular objects
(Definition of solid noun (OBJECT) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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