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1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.
 
1919 - The Winston Simplified Dictionary
By William Dodge Lewis, Edgar Arthur Singer
 
1899 - The american dictionary of the english language.
By Daniel Lyons
 
1894 - The Clarendon dictionary
By William Hand Browne, Samuel Stehman Haldeman

Word of the day

ammonium chlorid

  • Sal ammoniac, NH4CI, found native volcanic regions small quantities sea water and formed artificially by the direct combination of ammonia hydrochloric acid gas. Used in bronchitis.
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