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2006 - WordNet 3.0
By Princeton University
 
2010 - New Age Dictionary Database
By Oddity Software
 
1919 - The Winston Simplified Dictionary
By William Dodge Lewis, Edgar Arthur Singer
 
1916 - Appleton's medical dictionary
By Smith Ely Jelliffe
 
1871 - The Cabinet Dictionary of the English Language

Word of the day

alkalinity

  • pH values above 7 The quality which constitutes an alkali; alkaline property. state of being alkaline; the degree to which a substance exhibits alkaline properties or an reaction.
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