BARBARA TUCHMAN
\bˈɑːbəɹə tˈʌt͡ʃmən], \bˈɑːbəɹə tˈʌtʃmən], \b_ˈɑː_b_ə_ɹ_ə t_ˈʌ_tʃ_m_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.