9 letters · 12 points in Scrabble
noun a piece of flint that is struck to light a fire
noun a sandstone that withstands intense heat; used to line fireplaces and furnaces and kilns
originTranslation of the German toponymic surname Feuerstein, from Feuer (“fire”) + Stein (“stone”). Doublet of Feuerstein.
Etymology from Wiktionary, CC BY-SA 3.0