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1899 - The american dictionary of the english language.
By Daniel Lyons
 
1920 - A dictionary of scientific terms.
By Henderson, I. F.; Henderson, W. D.
 
1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland
 
1871 - The Cabinet Dictionary of the English Language

Word of the day

alkalinity

  • pH values above 7 The quality which constitutes an alkali; alkaline property. state of being alkaline; the degree to which a substance exhibits alkaline properties or an reaction.
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