trachybasalt
[ trey-kee-buh-sawlt, -bas-awlt, -bey-sawlt, trak-ee- ]
noun
a fine-grained volcanic rock containing sanidine and calcic plagioclase.
Origin of trachybasalt
1Words Nearby trachybasalt
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
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