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Firestone

name, noun

Proper Noun

Noun

1
Iron pyrite, formerly used for striking fire. countable, uncountable
2
a sandstone that withstands intense heat; used to line fireplaces and furnaces and kilns wordnet
3
A flint. countable, uncountable
4
a piece of flint that is struck to light a fire wordnet
5
A stone which will bear the heat of a furnace without injury; especially applied to the sandstone at the top of the upper greensand in the south of England, used for lining kilns and furnaces. countable, uncountable
"On the descent the line is often in cuttings; some are high, such as at Scarcroft, where a cut through firestone and fireclay was necessary, and near Bardsey, where the line threads a deep tree-lined gorge."

Etymology 1

Translation of the German toponymic surname Feuerstein, from Feuer (“fire”) + Stein (“stone”). Doublet of Feuerstein.

Etymology 2

From Middle English firestone, firstan, fyrestane, fyyr stone, from Old English fȳrstān, equivalent to fire + stone.

Unscramble this word: firestone