VOLCANIAN
\vɒlkˈe͡ɪni͡ən], \vɒlkˈeɪniən], \v_ɒ_l_k_ˈeɪ_n_iə_n]\
Word of the day
Holocrystalline
- Completely crystalline; - said a rock like granite, all the constituents of which are crystalline.