HUMMING TOP
\hˈʌmɪŋ tˈɒp], \hˈʌmɪŋ tˈɒp], \h_ˈʌ_m_ɪ_ŋ t_ˈɒ_p]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.