diabase

Noun

Meaning

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.

Source: Webster's dictionary

Synonyms

dolerite stone basalt gabbro andesite pegmatite greenstone rhyolite diorite peridotite syenite trachyte phonolite komatiite anorthosite
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Close letter words and terms

dia de los santos dia- Diab diabasic diabat diabaterial