MESOTHORIUM
\mˌɛsəθˈɔːɹi͡əm], \mˌɛsəθˈɔːɹiəm], \m_ˌɛ_s_ə_θ_ˈɔː_ɹ_iə_m]\
Word of the day
Tetraneumona
- A division of Arachnida including those spiders which have four lungs, or pulmonary sacs. It includes the bird spiders (Mygale) and trapdoor spiders. See Mygale.