CHALLENGING
\t͡ʃˈalɪnd͡ʒˌɪŋ], \tʃˈalɪndʒˌɪŋ], \tʃ_ˈa_l_ɪ_n_dʒ_ˌɪ_ŋ]\
Word of the day
international pitch
- the pitch used to tune instruments for concert performances; usually assigns 440 Hz A above middle C