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English definition of “foundation”

foundation

noun (BUILDING)    /faʊnˈdeɪ.ʃən/
foundations [plural] the structures below the surface of the ground that support a building: The foundations will have to be reinforced to prevent the house from sinking further into the ground.Parts of buildings in general
(Definition of foundation noun (BUILDING) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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