1. A basic, dark-coloured, igneous rock, consisting essentially of a triclinic feldspar and pyroxene with magnetic iron

Derived forms: diabases

Encyclopedia: Diabase

• tomtate
• tomtit
• ton
• tonal
• tonal language
• tonal pattern
• tonal system
• tonality
• tonally
• tondo
• tone
• tone arm
• tone deafness
• tone down
• tone ending
• tone language
• tone of voice
• tone poem
• tone system
• tone up
• tone-beginning
• tone-deaf
• toned
• Tonegawa Susumu
• toneless