English dictionary
basalt
/b/@/'s/O/lt/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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the commonest type of solidified lava; a dense dark grey fine-grained igneous rock that is composed chiefly of plagioclase feldspar and pyroxene
Source: WordNet 3.0
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A rock of igneous origin, consisting of augite and triclinic feldspar, with grains of magnetic or titanic iron, and also bottle-green particles of olivine frequently disseminated.
Source: webster1913