OPERABOUFFE
\ˈɒpəɹˌabuːf], \ˈɒpəɹˌabuːf], \ˈɒ_p_ə_ɹ_ˌa_b_uː_f]\
Word of the day
international pitch
- the pitch used to tune instruments for concert performances; usually assigns 440 Hz A above middle C