OBSTETRICAL TOAD
\ɒbstˈɛtɹɪkə͡l tˈə͡ʊd], \ɒbstˈɛtɹɪkəl tˈəʊd], \ɒ_b_s_t_ˈɛ_t_ɹ_ɪ_k_əl t_ˈəʊ_d]\
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By Princeton University
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.