OBSOLETENESS
\ˈɒbsəlˌiːtnəs], \ˈɒbsəlˌiːtnəs], \ˈɒ_b_s_ə_l_ˌiː_t_n_ə_s]\
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By DataStellar Co., Ltd
By Noah Webster.
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.