• Acetylene gas generator
    Acetylene gas generator
  • WordNet 3.6
    • n acetylene a colorless flammable gas used chiefly in welding and in organic synthesis
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Additional illustrations & photos:

Acetylene Jet Acetylene Jet

Webster's Revised Unabridged Dictionary
    • n Acetylene (Chem) A gaseous compound of carbon and hydrogen, in the proportion of two atoms of the former to two of the latter. It is a colorless gas, with a peculiar, unpleasant odor, and is produced for use as an illuminating gas in a number of ways, but chiefly by the action of water on calcium carbide. Its light is very brilliant.
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Century Dictionary and Cyclopedia
    • n acetylene A colorless gas, C2H2, which has a characteristic and very unpleasant odor, and burns with a luminous smoky flame. Illuminating gas contains a small amount of it. It is formed from its elements, carbon and hydrogen, when the electric arc is passed between carbon-points in an atmosphere of hydrogen; also by the imperfect combustion of illuminating gas and other hydrocarbons. With certain metals and metallic salts it forms explosive compounds. The acetylene series of hydrocarbons has the general formula CnH2n-2; it includes acetylene or ethine (C2H2), propine (C3H4), butine (C4H6); and pentine (C5H8).
    • n acetylene This gas, C2H2, prepared by the action of water on calcium carbide, is now largely used as an illuminant and to increase the illuminating value of coal-gas and water-gas of poor quality.
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Chambers's Twentieth Century Dictionary
    • n Acetylene a-set′i-lēn a powerful illuminant gas (C2H2) produced commercially from carbide of calcium by means of water.
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In literature:

The world learned one morning of a new gas called acetylene, clear, brilliant, cheap, and simply made from calcium carbide.
"Frenzied Finance" by Thomas W. Lawson
Finer grades are cut into slate pencils and acetylene burners.
"The Economic Aspect of Geology" by C. K. Leith
In a moment Hubert had turned on the acetylene search-light, and gazed with straining eyes down the road behind him.
"Mr. Punch Awheel"
Oxygen and Acetylene Under Pressure in Separate Tanks.
"The Automobile Storage Battery" by O. A. Witte
Acetylene, carbon and hydrogen in, 315.
"Common Science" by Carleton W. Washburne
The acetylene flame-knife, the incomprehensible ability of levers to give out so much more power than was put in them, dazed her.
"The Cup of Fury" by Rupert Hughes
Cailletet had also liquefied the newly discovered acetylene gas.
"A History of Science, Volume 5(of 5)" by Henry Smith Williams
They carry on the bow an apparatus with a number of jets connected with an acetylene plant, producing at night a most vivid light.
"The Shores of the Adriatic" by F. Hamilton Jackson
Toluene or mono-methylbenzene results from the pyrocondensation of a mixture of acetylene and allylene.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1" by Various
But in the developments which are now foreshadowed by the advent of acetylene gas the relation will be reversed.
"Twentieth Century Inventions" by George Sutherland

In poetry:

Down Wall, from girder into street noon leaks,
A rip-tooth of the sky's acetylene;
All afternoon the cloud-flown derricks turn . . .
Thy cables breathe the North Atlantic still.
"To Brooklyn Bridge" by Harold Hart Crane

In news:

Gulf oil rig fire caused by acetylene torch cutting oil line.
Alternative Fuels During the Acetylene Shortage.
AvaC™ is a proven process for vacuum carburizing with acetylene .
COLUMBIA — To Joe Wulff of Columbia, acetylene is money.
The site was storing about 30,000 compressed gas cylinders containing oxygen, nitrogen, propane, propylene, acetylene, carbon dioxide.
Excellent alternative to oxy acetylene for farming applications.
Another study investigating hydrocarbons on Titan 's surface found a lack of acetylene, a compound that could be consumed as food by life that relies on liquid methane instead of liquid water to live.

In science:

Acetylene band at 13.7 µm from the Spitzer spectra, in the same order as Fig. 1.
Spitzer observations of acetylene bands in carbon-rich AGB stars in the Large Magellanic Cloud
Likewise, while C3Hn chains are stable and freezeoutdominated in our model, acetylene ice partially hydrogenates to form ethylene and ethane.
Ice Lines, Planetesimal Composition and Solid Surface Density in the Solar Nebula
For the C2Hn hydrocarbons, acetylene dominates over ethylene and ethane in the transSaturnian region, R > 10 AU.
Ice Lines, Planetesimal Composition and Solid Surface Density in the Solar Nebula
C2H2 + H → C2H3 (Hasegawa et al. 1992), which has to break the strong C-C triple bond, means that at the cold temperatures required for acetylene to deposit on grain surfaces, hydrogenation proceeds slowly.
Ice Lines, Planetesimal Composition and Solid Surface Density in the Solar Nebula
Only when the disk is near the acetylene sublimation temperature (∼ 55 K) does a significant amount of ethane form.
Ice Lines, Planetesimal Composition and Solid Surface Density in the Solar Nebula