PERFORATING VEIN
\pˈɜːfəɹˌe͡ɪtɪŋ vˈe͡ɪn], \pˈɜːfəɹˌeɪtɪŋ vˈeɪn], \p_ˈɜː_f_ə_ɹ_ˌeɪ_t_ɪ_ŋ v_ˈeɪ_n]\
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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.