CONTRACT BIDDING
\kˈɒntɹakt bˈɪdɪŋ], \kˈɒntɹakt bˈɪdɪŋ], \k_ˈɒ_n_t_ɹ_a_k_t b_ˈɪ_d_ɪ_ŋ]\
Word of the day
international pitch
- the pitch used to tune instruments for concert performances; usually assigns 440 Hz A above middle C