ENNEATICAL YEARS
\ɛnˈiːtɪkə͡l jˈi͡əz], \ɛnˈiːtɪkəl jˈiəz], \ɛ_n_ˈiː_t_ɪ_k_əl j_ˈiə_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.