any of a group of usually dark, coarsegrained, igneous rocks, composed chiefly of pyroxene and plagioclase
Origin of gabbroItalian ; from Classical Latin glaber, bare: see glabrous
A usually coarse-grained igneous rock composed chiefly of pyroxene and calcic plagioclase feldspar. Also called norite.
Origin of gabbroItalian, perhaps from Latin glaber, bald, beardless.
- gab·bro′ic , gab′broid′
From Italian gabbro.