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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd
 
2010 - New Age Dictionary Database
By Oddity Software
 
1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.
 
1898 - Warner's pocket medical dictionary of today.
By William R. Warner
 
1846 - Medical lexicon: a dictionary of medical science
By Robley Dunglison
 
1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland

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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