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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.
 
1790 - A Complete Dictionary of the English Language
By Thomas Sheridan

Word of the day

primitive aortae

  • Syn. : inferior vertebral arteries. In embryo, two branches given off from cardiac aorta, which pass through first visceral and unite to form the dorsal aorta.
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