diabase

Sinhala Dictionary definitions for diabase

diabase 🔊 /dajˈʌbejˌs/

diabase : ඩයබේස්

diabase definition

Noun. 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.