GRACE PERIOD CLAUSE
\ɡɹˈe͡ɪs pˈi͡əɹɪəd klˈɔːz], \ɡɹˈeɪs pˈiəɹɪəd klˈɔːz], \ɡ_ɹ_ˈeɪ_s p_ˈiə_ɹ_ɪ__ə_d k_l_ˈɔː_z]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.