POSTHYOID ARCHES
\pˈə͡ʊsthɪˌɔ͡ɪd ˈɑːt͡ʃɪz], \pˈəʊsthɪˌɔɪd ˈɑːtʃɪz], \p_ˈəʊ_s_t_h_ɪ__ˌɔɪ_d ˈɑː_tʃ_ɪ_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.