gabbro

[ gab-roh ]
/ ˈgæb roʊ /

noun, plural gab·bros. Petrology.

a dark granular igneous rock composed essentially of labradorite and augite.

Origin of gabbro

< Italian; akin to Latin glaber smooth

OTHER WORDS FROM gabbro

gab·bro·ic [guh-broh-ik] /gəˈbroʊ ɪk/, gab·bro·it·ic, adjective gab·broid [gab-roid] /ˈgæb rɔɪd/, adjective

Words nearby gabbro

gabapentin, gabar, gabardine, gabbai, gabble, gabbro, gabby, gabe, gabelle, gaberdine, gaberlunzie

Example sentences from the Web for gabbro

British Dictionary definitions for gabbro

gabbro
/ (ˈɡæbrəʊ) /

noun plural -bros

a dark coarse-grained basic plutonic igneous rock consisting of plagioclase feldspar, pyroxene, and often olivine

Derived forms of gabbro

gabbroic or gabbroitic, adjective

Word Origin for gabbro

C19: from Italian, probably from Latin glaber smooth, bald

Scientific definitions for gabbro

gabbro
[ găb′rō ]

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.