EQUATOR OCULI
\ɪkwˈe͡ɪtəɹ ˈɒkjʊlˌa͡ɪ], \ɪkwˈeɪtəɹ ˈɒkjʊlˌaɪ], \ɪ_k_w_ˈeɪ_t_ə_ɹ ˈɒ_k_j_ʊ_l_ˌaɪ]\
Word of the day
international pitch
- the pitch used to tune instruments for concert performances; usually assigns 440 Hz A above middle C