Pumice-stone

Definitions

  • Chambers's Twentieth Century Dictionary
    • ns Pumice-stone (same as Pumice)
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Etymology

Chambers's Twentieth Century Dictionary
A.S. pumic-(-stán), pumice (-stone)—L. pumex, pumicis, for spumexspuma, foam—spuĕre. Cf. Spume, and Pounce, a fine powder.

Usage

In literature:

Mr. Franklin scraped off all the nice varnish with pumice-stone, and made what he described as a surface to work on.
"The Moonstone" by Wilkie Collins
Half way up was a square enclosure of some greyish stone, which I found subsequently was built partly of coral and partly of pumiceous lava.
"The Island of Doctor Moreau" by H. G. Wells
Salts and quartz, as well as some coal and pumice-stone, still appear.
"First Across the Continent" by Noah Brooks
Cinders and pumice-stones were falling down from the sky, and flames breaking out of the mountain above.
"Madam How and Lady Why or, First Lessons in Earth Lore for Children" by Charles Kingsley
A piece of pumice stone (very thoughtful).
"The Slowcoach" by E. V. Lucas
In Mangaia(9) the god Ra was tossed up into the sky by Maui and became pumice-stone.
"Myth, Ritual, and Religion, Vol. 1" by Andrew Lang
Epicurus, that it is an earthy bulk well compacted, with ores like a pumice-stone or a sponge, kindled by fire.
"Essays and Miscellanies" by Plutarch
It looked as if it were covered with mouldering pumice-stone.
"Complete Short Works" by Georg Ebers
On reaching the spot, we found the crumbled pumice-stone.
"A Strange Manuscript Found in a Copper Cylinder" by James De Mille
Others extracted water out of pumice-stones, braying them a good while in a mortar, and changed their substance.
"Gargantua and Pantagruel, Book V." by Francois Rabelais
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In news:

But the fields below Mt Teide are mostly pumice-stone, dominated by Spain's highest peak (3,817 metres).
To reduce the size of calluses or corns and lessen pain , soak your feet in warm water, and gently massage the affected areas with a pumice stone or foot file, being careful to leave a layer of the callus or corn intact.
They replace strip-mined materials like pumice, perlite and stone wool.
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In science:

Glasses have been of use to mankind from early on, be it as arrowheads for the stone age people of Corsica and the Americas, the obsidian battle axes and swords of the Aztecs, pumice scrappers for animal hides, or the tektite ornaments and fertility symbols of our ancestors.
Formulation of thermodynamics for the glassy state: configurational energy as a modest source of energy
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