SEWING-MACHINE
\sˈə͡ʊɪŋməʃˈiːn], \sˈəʊɪŋməʃˈiːn], \s_ˈəʊ_ɪ_ŋ_m_ə_ʃ_ˈiː_n]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.