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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd
 
1920 - A dictionary of scientific terms.
By Henderson, I. F.; Henderson, W. D.
 
1920 - A dictionary of scientific terms (6th edition)
By J.H. Kenneth
 
1900 - A dictionary of medicine and the allied sciences
By Alexander Duane
 
1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland

Word of the day

tetrahydric

  • Noting a compound containing four replaceable hydrogen atoms. acids or alcohols, containing four replaceable atoms of hydrogen.
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