Sort: Oldest first
 
2006 - WordNet 3.0
By Princeton University
 
1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.
 
1920 - A dictionary of scientific terms.
By Henderson, I. F.; Henderson, W. D.
 
1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland

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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