DIFFICULTLY
\dˈɪfɪkə͡ltli], \dˈɪfɪkəltli], \d_ˈɪ_f_ɪ_k_əl_t_l_i]\
Sort: Oldest first
By James Champlin Fernald
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.