Pronunciation: [mˈiːdɪˌɒksjuːməs] (IPA)
Correct spelling for the English word "Medioxumous" is [mˈiːdɪˌɒksjuːməs], [mˈiːdɪˌɒksjuːməs], [m_ˈiː_d_ɪ__ˌɒ_k_s_j_uː_m_ə_s] (IPA phonetic alphabet).
Intermediate.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.