CONTRACT UNDER SEAL
\kˈɒntɹakt ˌʌndə sˈiːl], \kˈɒntɹakt ˌʌndə sˈiːl], \k_ˈɒ_n_t_ɹ_a_k_t ˌʌ_n_d_ə s_ˈiː_l]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.