OBSTETRIC POSITION
\ɒbstˈɛtɹɪk pəzˈɪʃən], \ɒbstˈɛtɹɪk pəzˈɪʃən], \ɒ_b_s_t_ˈɛ_t_ɹ_ɪ_k p_ə_z_ˈɪ_ʃ_ə_n]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.