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  1. Oxford American Dictionary

    atom

    • IPA[ˈadəm]

    美式

    • n.
      the basic unit of a chemical element.；atoms as a source of nuclear energy

    • noun: atom, plural noun: atoms

    • 釋義

    名詞

    • 1. the basic unit of a chemical element.
    • ▪ atoms as a source of nuclear energy the power of the atom
    • ▪ an extremely small amount of a thing or quality I shall not have one atom of strength left