Sort: Oldest first
 
  • Valence.
2010 - New Age Dictionary Database
By Oddity Software
 
  • Valence.
1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.
 
1919 - The concise Oxford dictionary of current English
By Sir Augustus Henry
 
1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland
 
1916 - Appleton's medical dictionary
By Smith Ely Jelliffe

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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