RARE EARTH
\ɹˈe͡əɹ ˈɜːθ], \ɹˈeəɹ ˈɜːθ], \ɹ_ˈeə_ɹ ˈɜː_θ]\
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.