noun di·a·base \ˈdī-ə-ˌbās\

Definition of DIABASE

archaic :  diorite
chiefly British :  an altered basalt
:  a fine-grained rock of the composition of gabbro but with an ophitic texture
di·a·ba·sic \ˌdī-ə-ˈbā-sik\ adjective

Origin of DIABASE

French, probably from Greek diabasis act of crossing over, from diabainein to cross over, from dia- + bainein to go — more at come
First Known Use: circa 1816


Next Word in the Dictionary: diabaticPrevious Word in the Dictionary: diabantiteAll Words Near: diabase
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