UNVANQUISHABLE
\ʌnvˈankwɪʃəbə͡l], \ʌnvˈankwɪʃəbəl], \ʌ_n_v_ˈa_n_k_w_ɪ_ʃ_ə_b_əl]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.