DUPLEX PLACENTA
\djˈuːplɛks pləsˈɛntə], \djˈuːplɛks pləsˈɛntə], \d_j_ˈuː_p_l_ɛ_k_s p_l_ə_s_ˈɛ_n_t_ə]\
Word of the day
international pitch
- the pitch used to tune instruments for concert performances; usually assigns 440 Hz A above middle C