TOURMALIN
\tˈʊ͡əmɐlˌɪn], \tˈʊəmɐlˌɪn], \t_ˈʊə_m_ɐ_l_ˌɪ_n]\
Word of the day
international pitch
- the pitch used to tune instruments for concert performances; usually assigns 440 Hz A above middle C