adj
Freq #118161
Meanings
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1
adj
geology: relating to, formed from, containing, or resembling basalt
Basaltic lava spread across the plain and cooled into a dark, fine-grained rock.
Thesaurus
Etymology
Formed from basalt + -ic. Basalt came through Late Latin basaltes, probably an alteration of Latin basanites 'very hard stone,' from Greek basanitēs, related to basanos 'touchstone.' The suffix -ic gives the meaning 'of or relating to basalt.'