UPSIDE-DOWN

\ˈʌpsa͡ɪddˈa͡ʊn], \ˈʌpsa‍ɪddˈa‍ʊn], \ˈʌ_p_s_aɪ_d_d_ˈaʊ_n]\
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1919 - The concise Oxford dictionary of current English
By Sir Augustus Henry

Word of the day

international pitch

  • the pitch used to tune instruments for concert performances; usually assigns 440 Hz A above middle C
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