Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun basalt

1 sense of basalt

Sense 1
basalt -- (the commonest type of solidified lava; a dense dark grey fine-grained igneous rock that is composed chiefly of plagioclase feldspar and pyroxene)
       => volcanic rock -- (extrusive igneous rock solidified near or on the surface of the Earth)