gab·bro (g b r )n. pl. gab·bros A usually coarse-grained igneous rock composed chiefly of calcic plagioclase and pyroxene. Also called norite. [Italian, perhaps from Latin glaber, bald, beardless.] gab·bro ic (g-br k), gabbroid (gbroid) adj. |
gabbro [ˈgæbrəʊ]
n pl -bros
(Earth Sciences / Minerals) a dark coarse-grained basic plutonic igneous rock consisting of plagioclase feldspar, pyroxene, and often olivine
[from Italian, probably from Latin glaber smooth, bald]
gabbroic , gabbroitic adj
| gabbro (gbr) A usually dark, coarse-grained igneous rock composed mostly of plagioclase feldspar and clinopyroxene, and sometimes olivine. Gabbro is the coarse-grained equivalent of basalt. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | gabbro - one of a family of granular intrusive rocks igneous rock - rock formed by the solidification of molten magma |
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