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1908 - Chambers's Twentieth Century Dictionary of the English Language
By Thomas Davidson
 
1846 - Medical lexicon: a dictionary of medical science
By Robley Dunglison
 
1919 - The concise Oxford dictionary of current English
By Sir Augustus Henry
 
1790 - A Complete Dictionary of the English Language
By Thomas Sheridan

Word of the day

abo group

  • a classification system for the antigens of human blood; used in blood transfusion therapy; four groups are and B AB O
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