sump tank

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English

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Noun

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sump tank (plural sump tanks)

  1. A tank containing the liquid removed by a drainage system.
    • December 15 2022, Samanth Subramanian, “Dismantling Sellafield: the epic task of shutting down a nuclear site”, in The Guardian[1]:
      The year before the pandemic, a sump tank attached to a waste pond sprang a leak and had to be grouted shut.