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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd
 
1919 - The Concise Standard Dictionary of the English Language
By James Champlin Fernald
 
1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland
 
1916 - Appleton's medical dictionary
By Smith Ely Jelliffe

Word of the day

Cryptobranchus Alleganiensis

  • large salamander of North American rivers and streams
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