Definition of upthrust noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈʌpθrʌst//
    ; NAmE NAmE//ˈʌpθrʌst//
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  1. 1 (physics) the force with which a liquid or gas pushes up against an object that is floating in it
  2. 2 (geology) = uplift
See the Oxford Advanced American Dictionary entry: upthrust

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