Lexic.us

Definition of Diabase

1. n. A basic, dark-colored, holocrystalline, igneous rock, consisting essentially of a triclinic feldspar and pyroxene with magnetic iron; -- often limited to rocks pretertiary in age. It includes part of what was early called greenstone.

Definition of Diabase

1. Noun. (geology) A fine-grained igneous rock composed mostly of pyroxene and feldspar ¹

¹ Source: wiktionary.com

Definition of Diabase

1. an igneous rock [n -S] : DIABASIC [adj]

Medical Definition of Diabase

1. A basic, dark-coloured, holocrystalline, igneous rock, consisting essentially of a triclinic feldspar and pyroxene with magnetic iron; often limited to rocks pretertiary in age. It includes part of what was early called greenstone. Origin: F. Diabase, fr. Gr. A crossing or passing over, fr.; + to go; so called by Brongniart, because it passes over to diorite. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Diabase

Other Resources: