firestone
/fˈaɪɹstˌoʊn/
Word Rarity
Rare
Frequency: 2.88 in modern English
12
Scrabble Score
9
Letters
2
Syllables
8
Unique Chars
Meaning
noun
A heat-resistant stone that will withstand intense heat of a furnace, used for lining kilns, campfire rings, fireplaces and furnaces; especially, the sandstone at the top of the upper greensand in the south of England.
Countable; Uncountable
Example Sentences
Etymology
Translation of the German toponymic surname Feuerstein, from Feuer (“fire”) + Stein (“stone”). Doublet of Feuerstein.
Origin
Word Breakdown
- Root: -, firestone, fȳrstān