释义 |
di·a·base \ˈdīəˌbās\ noun Etymology: French, from Greek diabasis act of crossing over, from diabainein to cross over, from dia- + bainein to go — more at come 1. archaic : diorite 2. chiefly Britain : an altered basalt 3. : a hypabyssal rock of the composition of gabbro but with an ophitic texture consisting of labradorite laths involved in a matrix of augite with magnetite a common accessory |