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High-grade hard coal
Answer for the clue "High-grade hard coal ", 10 letters:
anthracite
Alternative clues for the word anthracite
Word definitions for anthracite in dictionaries
WordNet
Word definitions in WordNet
n. a hard natural coal that burns slowly and gives intense heat [syn: anthracite coal , hard coal ]
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
"non-bituminous coal," 1812, earlier (c.1600) a type of ruby-like gem described by Pliny, from Latin anthracites "bloodstone, semi-precious gem," from Greek anthrakites "coal-like," from anthrax (genitive anthrakos ) "live coal" (see anthrax ). Related: ...
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Coal \Coal\ (k[=o]l), n. [AS. col; akin to D. kool, OHG. chol, cholo, G. kohle, Icel. kol, pl., Sw. kol, Dan. kul; cf. Skr. jval to burn. Cf. Kiln , Collier .] A thoroughly charred, and extinguished or still ignited, fragment from wood or other combustible ...
Usage examples of anthracite.
Perceiving that his thoughts were beginning to veer wildly, Crockett gulped the last of his meal and followed Brockle Buhn to the anthracite tunnel.
People outside of Pennsylvania do not know that there is all the difference in the world between the two kinds of coal, and in the conditions under which anthracite and bituminous are mined.
The anthracite region lies roughly between Scranton on the north and Gibbsville on the south.
The richest veins of anthracite in the world are within a thirty-mile sector from Gibbsville, and when those veins are being worked, Gibbsville prospers.
The United Mine Workers of America is the strongest single force in the anthracite region, and under it the anthracite miner lives a civilized life compared with that of the miner in the soft coal regions about Pittsburgh, West Virginia, and the western states.
At that time the union called a strike which lasted 110 days, the longest strike in anthracite history.
Anthracite is practically smokeless, and was satisfactory to home owners, but they could not get Anthracite during the strike, and when the oil burner was installed there was no point in going back to coal.
And so, as a result of the 1925 strike, the anthracite industry went back to work without nearly the demand for the product that there had been when the strike was called 110 days before.
The standard for bituminous coals is based mainly on the heat units, ash, and sulphur, while that for anthracite coal is based mainly on the percentage of ash and the heat units.
In connection with all these lines of fuel testing, certain research work, both chemical and physical, is carried on to determine the true composition and properties of the different varieties of coal, the changes in the transformation from peat to lignite, from lignite to bituminous coal, and from bituminous to anthracite coal, and the chemical and physical processes in combustion.
Shake back into the mortar, rub up with about 1 gram of powdered anthracite, and re-calcine for 10 minutes longer.
It is made up of unburnt anthracite and small lumps of slag proper together with some buttons of metallic tin.
Some, such as anthracite, burn with little or no flame, but most give off gases, which burn with a luminous flame.
Perforce Crockett seized the pick and began to chop anthracite out of the wall.
Why should you be forbidden to eat the anthracite you dig, while Podrang squats in his bath and laughs at you?