HALLOWEEN
\hˌalə͡ʊˈiːn], \hˌaləʊˈiːn], \h_ˌa_l_əʊ_ˈiː_n]\
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By Princeton University
By DataStellar Co., Ltd
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.