THROTTLE VALVE
\θɹˈɒtə͡l vˈalv], \θɹˈɒtəl vˈalv], \θ_ɹ_ˈɒ_t_əl v_ˈa_l_v]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.