CATHARINE-WHEEL
\kˈaθɑːɹˌiːnwˈiːl], \kˈaθɑːɹˌiːnwˈiːl], \k_ˈa_θ_ɑː_ɹ_ˌiː_n_w_ˈiː_l]\
Word of the day
international pitch
- the pitch used to tune instruments for concert performances; usually assigns 440 Hz A above middle C