VOLCANIC ROCK
\vɒlkˈanɪk ɹˈɒk], \vɒlkˈanɪk ɹˈɒk], \v_ɒ_l_k_ˈa_n_ɪ_k ɹ_ˈɒ_k]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.