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