DIFFICULTIES
\dˈɪfɪkˌʌltɪz], \dˈɪfɪkˌʌltɪz], \d_ˈɪ_f_ɪ_k_ˌʌ_l_t_ɪ_z]\
Definitions of DIFFICULTIES
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Word of the day
international pitch
- the pitch used to tune instruments for concert performances; usually assigns 440 Hz A above middle C