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  1. 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
    • 相關詞

    名詞

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

    Oxford American Dictionary

    • plural form of residuum

    Oxford Dictionary

    • 更多解釋
    • IPA[rəˈzij(ə)wəm]

    美式

    • n.
      a substance or thing that remains or is left behind, in particular, a chemical residue.

    Oxford American Dictionary