SYNODIC PERIOD
\sɪnˈɒdɪk pˈi͡əɹɪəd], \sɪnˈɒdɪk pˈiəɹɪəd], \s_ɪ_n_ˈɒ_d_ɪ_k p_ˈiə_ɹ_ɪ__ə_d]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.