SUPRAMARGINAL CONVOLUTION

\sˈʌpɹɐmˌɑːd͡ʒɪnə͡l kɒnvəlˈuːʃən], \sˈʌpɹɐmˌɑːd‍ʒɪnə‍l kɒnvəlˈuːʃən], \s_ˈʌ_p_ɹ_ɐ_m_ˌɑː_dʒ_ɪ_n_əl k_ɒ_n_v_ə_l_ˈuː_ʃ_ə_n]\
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1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland
 
1916 - Appleton's medical dictionary
By Smith Ely Jelliffe