ALL meanings of gabbro
gab·bro
G g - noun plural gabbro a dark granular igneous rock composed essentially of labradorite and augite. 1
- noun gabbro A dark, coarse-grained plutonic rock of crystalline texture, consisting mainly of pyroxene, plagioclase feldspar, and often olivine. 1
- noun gabbro a dark coarse-grained basic plutonic igneous rock consisting of plagioclase feldspar, pyroxene, and often olivine 0
- noun gabbro any of a group of usually dark, coarsegrained, igneous rocks, composed chiefly of pyroxene and plagioclase 0
- noun gabbro (petrology) A name originally given to a kind of serpentine, and now generally used for a coarsely crystalline, igneous rock consisting of lamellar pyroxene and labradorite. 0