DIFFICILE
\dˈɪfɪsˌa͡ɪl], \dˈɪfɪsˌaɪl], \d_ˈɪ_f_ɪ_s_ˌaɪ_l]\
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By Noah Webster.
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.