HOLD FIRM
\hˈə͡ʊld fˈɜːm], \hˈəʊld fˈɜːm], \h_ˈəʊ_l_d f_ˈɜː_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.