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1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.
 
1899 - The american dictionary of the english language.
By Daniel Lyons
 
1919 - The Concise Standard Dictionary of the English Language
By James Champlin Fernald

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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