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1899 - The american dictionary of the english language.
By Daniel Lyons
 
1919 - The Concise Standard Dictionary of the English Language
By James Champlin Fernald
 
1871 - The Cabinet Dictionary of the English Language
 
1790 - A Complete Dictionary of the English Language
By Thomas Sheridan

Word of the day

Toxoids

  • Preparations of pathogenic organisms or their derivatives made nontoxic and intended for active immunologic prophylaxis. They include deactivated toxins.
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