VALIDITY
\valˈɪdɪti], \valˈɪdɪti], \v_a_l_ˈɪ_d_ɪ_t_i]\
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By DataStellar Co., Ltd
By William Dodge Lewis, Edgar Arthur Singer
Word of the day
international pitch
- the pitch used to tune instruments for concert performances; usually assigns 440 Hz A above middle C