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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd
 
1920 - A practical medical dictionary.
By Stedman, Thomas Lathrop
 
1919 - The concise Oxford dictionary of current English
By Sir Augustus Henry
 
1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland

Word of the day

tertiary dentition

  • A third and imperfect eruption of teeth, occurring very rarely as an anomaly adult life or even in beginning old age.
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