Pronunciation: [mˈɛtɪˌə͡ʊ] (IPA)
Correct spelling for the English word "METIO" is [mˈɛtɪˌə͡ʊ], [mˈɛtɪˌəʊ], [m_ˈɛ_t_ɪ__ˌəʊ] (IPA phonetic alphabet).