BASALT


Meaning of BASALT in English

/ ˈbæsɔːlt; NAmE bəˈsɔːlt/ noun

[ U ] a type of dark rock that comes from volcanoes

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WORD ORIGIN

early 17th cent. (in the Latin form): from Latin basaltes (variant of basanites ), from Greek basanitēs , from basanos touchstone.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.