Definitions for gabbroˈgæb roʊ

This page provides all possible meanings and translations of the word gabbro

Random House Webster's College Dictionary

gab•broˈgæb roʊ(n.)(pl.)-bros.

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

    Category: Petrology

Origin of gabbro:

1835–40;< It; akin to L glaber smooth

gab•bro•icgəˈbroʊ ɪk(adj.)gab`bro•it′ic

Princeton's WordNet

  1. gabbro(noun)

    one of a family of granular intrusive rocks

Wiktionary

  1. gabbro(Noun)

    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.

  2. Origin: From gabbro.

Webster Dictionary

  1. Gabbro(noun)

    a name originally given by the Italians to a kind of serpentine, later to the rock called euphotide, and now generally used for a coarsely crystalline, igneous rock consisting of lamellar pyroxene (diallage) and labradorite, with sometimes chrysolite (olivine gabbro)

Freebase

  1. Gabbro

    Gabbro refers to a large group of dark, coarse-grained, intrusive mafic igneous rocks chemically equivalent to basalt. The rocks are plutonic, formed when molten magma is trapped beneath the Earth's surface and cools into a crystalline mass. The vast majority of the Earth's surface is underlain by gabbro within the oceanic crust, produced by basalt magmatism at mid-ocean ridges.

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