See Also: gabbro(medicine)
gabbro(dictionary)
gabbro(encyclopedia)

gabbro (iou)



gabbro noun. Pl. -os. M19.
[Italian (Tuscan) from Latin glaber, glabr- smooth.]
A dark coarse-grained igneous rock of crystalline texture resembling dolerite and granite, and consisting largely of pyroxene (often as diallage), plagioclase feldspar, and often olivine.
ga'bbroic,
gabbro'itic adjectives L19.