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