CREST OF THE SACRUM
\kɹˈɛst ɒvðə sˈe͡ɪkɹəm], \kɹˈɛst ɒvðə sˈeɪkɹəm], \k_ɹ_ˈɛ_s_t ɒ_v_ð_ə s_ˈeɪ_k_ɹ_ə_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.