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  1. Oxford Dictionary

    residuum

    • IPA[rɪˈzɪdjʊəm]

    英式

    • n.
      a chemical residue.；a class of society that is unemployed and without privileges or opportunities

    • noun: residuum, plural noun: residua

    • 釋義

    名詞

    • 1. technical a chemical residue.
    • 2. a class of society that is unemployed and without privileges or opportunities the urban residuum