Meaning of “basalt” in the English Dictionary

american-english dictionary

"basalt" in American English

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basaltnoun [ U ]

us /bəˈsɔlt, ˈbeɪ·sɔlt/

earth science a type of black rock that comes from a volcano (= mountain that explodes and throws out hot rocks)

(Definition of “basalt” from the Cambridge Academic Content Dictionary © Cambridge University Press)