BLACKBOARD ERASER
\blˈakbɔːd ɪɹˈe͡ɪzə], \blˈakbɔːd ɪɹˈeɪzə], \b_l_ˈa_k_b_ɔː_d ɪ_ɹ_ˈeɪ_z_ə]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.