EX FACIE
\ˈɛks fˈe͡ɪsi], \ˈɛks fˈeɪsi], \ˈɛ_k_s f_ˈeɪ_s_i]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.