ACCOUNT-BOOK
\ɐkˈa͡ʊntbˈʊk], \ɐkˈaʊntbˈʊk], \ɐ_k_ˈaʊ_n_t_b_ˈʊ_k]\
Word of the day
international pitch
- the pitch used to tune instruments for concert performances; usually assigns 440 Hz A above middle C