OBTURATION

\ɒbt͡ʃəɹˈe͡ɪʃən], \ɒbt‍ʃəɹˈe‍ɪʃən], \ɒ_b_tʃ_ə_ɹ_ˈeɪ_ʃ_ə_n]\
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2010 - New Age Dictionary Database
By Oddity Software
 
1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.
 
1916 - Appleton's medical dictionary
By Smith Ely Jelliffe

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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