INSTRUCTIONS
\ɪnstɹˈʌkʃənz], \ɪnstɹˈʌkʃənz], \ɪ_n_s_t_ɹ_ˈʌ_k_ʃ_ə_n_z]\
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By Princeton University
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.