AUTOCHTHONOUS ULCER
\ˌɔːtə͡ʊt͡ʃθˈɒnəs ˈʌlsə], \ˌɔːtəʊtʃθˈɒnəs ˈʌlsə], \ˌɔː_t_əʊ_tʃ_θ_ˈɒ_n_ə_s ˈʌ_l_s_ə]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.