BELL ARCH
\bˈɛl ˈɑːt͡ʃ], \bˈɛl ˈɑːtʃ], \b_ˈɛ_l ˈɑː_tʃ]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.