gabbro

play
noun gab·bro \ˈga-(ˌ)brō\

Definition of gabbro

plural

gabbros

  1. :  a granular igneous rock composed essentially of calcic plagioclase, a ferromagnesian mineral, and accessory minerals

gabbroic

play \ga-ˈbrō-ik\ adjective

Recent Examples of gabbro from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'gabbro'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of gabbro

borrowed from Italian (Tuscan), perhaps going back to Vulgar Latin *gabrum, altered from Latin glabr-, glaber “hairless, smooth” — more at 1glad


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