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tra•chy•ba•salt



Pronunciation: (trā"kē-bu-sôlt', -bas'ôlt, -bā'sôlt, trak"ē-), [key]
n.
a fine-grained volcanic rock containing sanidine and calcic plagioclase.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

trachy-trachycarpous

 

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