QUADRENNIAL
\kwɒdɹˈɛnɪəl], \kwɒdɹˈɛnɪəl], \k_w_ɒ_d_ɹ_ˈɛ_n_ɪ__ə_l]\
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By William Dodge Lewis, Edgar Arthur Singer
By Daniel Lyons
By James Champlin Fernald
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.