OPAQUENESS
\ə͡ʊpˈe͡ɪknəs], \əʊpˈeɪknəs], \əʊ_p_ˈeɪ_k_n_ə_s]\
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By Princeton University
By DataStellar Co., Ltd
By Oddity Software
By Noah Webster.
By Daniel Lyons
Word of the day
international pitch
- the pitch used to tune instruments for concert performances; usually assigns 440 Hz A above middle C