PRECELLENCY
\pɹɪsˈɛlənsi], \pɹɪsˈɛlənsi], \p_ɹ_ɪ_s_ˈɛ_l_ə_n_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.