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2010 - Medical Dictionary Database
By DataStellar Co., Ltd
 
1899 - The american dictionary of the english language.
By Daniel Lyons
 
1846 - Medical lexicon: a dictionary of medical science
By Robley Dunglison
 
1871 - The Cabinet Dictionary of the English Language
 
1790 - A Complete Dictionary of the English Language
By Thomas Sheridan

Word of the day

Quinones

  • Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.
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