GREENSTONE
\ɡɹˈiːnstə͡ʊn], \ɡɹˈiːnstəʊn], \ɡ_ɹ_ˈiː_n_s_t_əʊ_n]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.