\kɹˈɒsbˈə͡ʊnz], \kɹˈɒsbˈə‍ʊnz], \k_ɹ_ˈɒ_s_b_ˈəʊ_n_z]\
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1899 - The american dictionary of the english language.
By Daniel Lyons
1919 - The concise Oxford dictionary of current English
By Sir Augustus Henry

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  • A compounds that are derivatives oxo-pyrrolidines. member this group 2-oxo pyrrolidine, which is an intermediate in the manufacture of polyvinylpyrrolidone. (From Merck Index, 11th ed)
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