BASALT


Meaning of BASALT in English

bas ‧ alt /ˈbæsɔːlt, bəˈsɔːlt $ ˈbæsɒːlt, ˈbeɪ-/ BrE AmE noun [uncountable]

[ Date: 1600-1700 ; Language: Latin ; Origin: basaltes , from Greek basanos 'stone used to test the purity of gold' , from Egyptian bhnw ]

a type of dark green-black rock

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.