UNTRACKED

\ʌntɹˈakt], \ʌntɹˈakt], \ʌ_n_t_ɹ_ˈa_k_t]\
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2006 - WordNet 3.0
By Princeton University
 
2011 - English Dictionary Database
By DataStellar Co., Ltd
 
  • un-trakt', adj. not tracked.
1908 - Chambers's Twentieth Century Dictionary of the English Language
By Thomas Davidson

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beta Lactams

  • Cyclic amides formed aminocarboxy acids by the elimination water. They isomeric with lactims, which are enol forms of lactams. (From Dorland, 27th ed)
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