PROTHALAMIUM

\pɹˌɒθɐlˈe͡ɪmi͡əm], \pɹˌɒθɐlˈe‍ɪmi‍əm], \p_ɹ_ˌɒ_θ_ɐ_l_ˈeɪ_m_iə_m]\

Definitions of PROTHALAMIUM