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2006 - WordNet 3.0
By Princeton University
 
2010 - New Age Dictionary Database
By Oddity Software
 
1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.
 
1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland

Word of the day

Antisense Oligodeoxyribonucleotides

  • Short fragments DNA that are used alter the function of target RNAs or DNAs to which they hybridize.
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