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A sandstone that withstands intense heat
Answer for the clue "A sandstone that withstands intense heat ", 9 letters:
firestone
Alternative clues for the word firestone
Word definitions for firestone in dictionaries
Wiktionary
Word definitions in Wiktionary
n. 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. ...
Wikipedia
Word definitions in Wikipedia
" Firestone " is a song by Norwegian DJ and record producer Kygo . It features vocals from Australian singer Conrad Sewell . The lyrics and music were written by Dutch songwriter Martijn Konijnenburg, who was inspired by a Firestone billboard he saw in ...
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Firestone \Fire"stone`\ (?; 110), n. [AS. f[=y]rst[=a]n flint; f[=y]r fire + st[=a]n stone.] Iron pyrites, formerly used for striking fire; also, a flint. A stone which will bear the heat of a furnace without injury; -- especially applied to the sandstone ...
Usage examples of firestone.
As the dragons hovered, their great necks twisted and their heads turned back to face their riders, who opened the sacks they had caught to feed the firestone to their dragons.
He had seen her eyes and the tears spilling from them, and he had seen her heart harden and wither, and he knew, even before Tarik was sentenced to the firestone mines, that if the sentence had Shunned Tarik, it had killed Dara.
One mine seemed insufficient to produce firestone for all the dragons of Pern.
The great necks of the flying beasts turned back and the riders opened the sacks they had caught from the weyrlings to feed the firestone to their dragons.
Harper Zist had taught him long ago that the dragons needed to chew firestone in order to breathe flames.
Dampness was a danger with firestone, which would explode on contact with water.
He had hoped to strike up an acquaintance with one of the firestone miners.
But there were too many dragonriders arriving at all hours, looking for firestone or dropping in supplies--there was no proper road up to the mine, so everyone was brought in a-dragonback.
The wooden rails that led from the mine entrance to the only stone building in the camp curved in front of the stocks before curving farther to the stone-walled firestone storage building on the far side of the hill.
Maril would come trudging out of the mine, muscles straining as he hauled the full cart up the hill and down to the firestone building.
On his first trip out of the mine with a cartload of firestone, Maril paused on his return trip long enough to fling some water at Tarik.
Of course, he reminded himself, there was a deep gutter dug in front of the mine to carry any water away--water in a firestone mine would be disastrous.
His pushing jarred the cartload, and a few pieces of firestone fell off the cart.
The fire startled Maril, who leaped backward, tripped, and, struggling to stay upright, tugged the cartload of firestone back toward the mine.
He was too busy wondering why the dragons depended upon such a dangerous rock as firestone for their flame.