UNCOMMON
\ʌnkˈɒmən], \ʌnkˈɒmən], \ʌ_n_k_ˈɒ_m_ə_n]\
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not common or ordinarily encountered; unusually great in amount or remarkable in character or kind; "uncommon birds"; "frost and floods are uncommon during these months"; "doing an uncommon amount of business"; "an uncommon liking for money"; "he owed his greatest debt to his mother's uncommon character and ability"
By Princeton University
By William Dodge Lewis, Edgar Arthur Singer
By James Champlin Fernald
Word of the day
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)