ACTINIARIAN
\ˌaktɪnˈa͡ɪ͡əɹi͡ən], \ˌaktɪnˈaɪəɹiən], \ˌa_k_t_ɪ_n_ˈaɪə_ɹ_iə_n]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.