/fuyeur"stohn'/ , n.
a fire-resisting stone, esp. a kind of sandstone used in fireplaces, furnaces, etc.
[ bef. 1000; late ME fyyrstone, OE fyrstan. See FIRE, STONE ]
/fuyeur"stohn'/ , n.
a fire-resisting stone, esp. a kind of sandstone used in fireplaces, furnaces, etc.
[ bef. 1000; late ME fyyrstone, OE fyrstan. See FIRE, STONE ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012