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Webster 1913 Edition

Firestone

Fire′stoneˊ

(?; 110)
,
Noun.
[AS.
fȳrstān
flint;
fȳr
fire +
stān
stone.]
1.
Iron pyrites, formerly used for striking fire; also, a flint.
2.
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.
Ure.

Webster 1828 Edition

Firestone

FI'RESTONE

, n.
1.
A fossil, the pyrite. [See Pyrite.]
2.
A kind of freestone which bears a high degree of heat.

Definition 2024

Firestone

Firestone

See also: firestone

English

Proper noun

Firestone

  1. A surname​.

firestone

firestone

See also: Firestone

English

Noun

firestone ‎(countable and uncountable, plural firestones)

  1. Iron pyrites, formerly used for striking fire.
  2. A flint.
  3. 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.

Etymology

fire +‎ stone

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