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1920 - A dictionary of scientific terms.
By Henderson, I. F.; Henderson, W. D.
 
1920 - A dictionary of scientific terms (6th edition)
By J.H. Kenneth
 
1846 - Medical lexicon: a dictionary of medical science
By Robley Dunglison
 
1900 - A dictionary of medicine and the allied sciences
By Alexander Duane
 
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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