EMERGENCY BRAKE
\ɪmˈɜːd͡ʒənsi bɹˈe͡ɪk], \ɪmˈɜːdʒənsi bɹˈeɪk], \ɪ_m_ˈɜː_dʒ_ə_n_s_i b_ɹ_ˈeɪ_k]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.