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diabase
[ dahy-uh-beys ]
/ ˈdaɪ əˌbeɪs /
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noun Petrology.
a fine-grained gabbro occurring as minor intrusions.
British. a dark igneous rock consisting essentially of augite and feldspar; an altered dolerite.
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Origin of diabase
OTHER WORDS FROM diabase
di·a·ba·sic, adjectiveWords nearby diabase
Dhulia, Dhu ʾl-Qaʿda, dhurrie, di, dia-, diabase, diabatic, Diabelli, Diabeta, diabetes, diabetes insipidus
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use diabase in a sentence
British Dictionary definitions for diabase
Derived forms of diabase
diabasic, adjectiveWord Origin for diabase
C19: from French, from Greek diabasis a crossing over, from diabainein to cross over, from dia- + bainein to go
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for diabase
diabase
[ dī′ə-bās′ ]
A dark-gray to black, medium-grained igneous rock consisting mainly of labradorite and pyroxene. Diabase is compositionally similar to andesite, but has coarser grains. It is commonly found in sills and dikes. Also called dolerite
The American Heritage® Science Dictionary
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