SUBSYSTEM
\sˈʌbsɪstəm], \sˈʌbsɪstəm], \s_ˈʌ_b_s_ɪ_s_t_ə_m]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.