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diabasic
Variant of diabase
noun
- diorite
- a finely crystalline, intrusive basaltic rock made up mainly of labradorite and pyroxene
- Brit. altered dolerite
Related Forms:
- diabasic adjective
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
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