PTERIDOSPERM
\tˈɛɹɪdˌɒspɜːm], \tˈɛɹɪdˌɒspɜːm], \t_ˈɛ_ɹ_ɪ_d_ˌɒ_s_p_ɜː_m]\
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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.