LOW-GRADE
\lˈə͡ʊɡɹˈe͡ɪd], \lˈəʊɡɹˈeɪd], \l_ˈəʊ_ɡ_ɹ_ˈeɪ_d]\
Word of the day
international pitch
- the pitch used to tune instruments for concert performances; usually assigns 440 Hz A above middle C