6 letters · 8 points in Scrabble
noun the commonest type of solidified lava; a dense dark grey fine-grained igneous rock that is composed chiefly of plagioclase feldspar and pyroxene
originFrom Late Latin basaltes, a misspelling of Latin basanites, from Ancient Greek βασανίτης (basanítēs), from βάσανος (básanos, “touchstone”), from Egyptian bḫn (“a hard stone”), b-x:n-O39
Etymology from Wiktionary, CC BY-SA 3.0