Definition of Olefiant. Meaning of Olefiant. Synonyms of Olefiant
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Definition of Olefiant
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olefiant gas Ethylene Eth"yl*ene (-[=e]n), n. [From Ethyl.] (Chem.)
A colorless, gaseous hydrocarbon, C2H4, forming an
important ingredient of illuminating gas, and also obtained
by the action of concentrated sulphuric acid in alcohol. It
is an unsaturated compound and combines directly with
chlorine and bromine to form oily liquids (Dutch liquid), --
hence called olefiant gas. Called also ethene, elayl,
and formerly, bicarbureted hydrogen.
Olefiant gas Gas fitter, one who lays pipes and puts up fixtures for
gas.
Gas fitting.
(a) The occupation of a gas fitter.
(b) pl. The appliances needed for the introduction of gas
into a building, as meters, pipes, burners, etc.
Gas fixture, a device for conveying illuminating or
combustible gas from the pipe to the gas-burner,
consisting of an appendage of cast, wrought, or drawn
metal, with tubes upon which the burners, keys, etc., are
adjusted.
Gas generator, an apparatus in which gas is evolved; as:
(a) a retort in which volatile hydrocarbons are evolved by
heat;
(b) a machine in which air is saturated with the vapor of
liquid hydrocarbon; a carburetor;
(c) a machine for the production of carbonic acid gas, for
a["e]rating water, bread, etc. --Knight.
Gas jet, a flame of illuminating gas.
Gas machine, an apparatus for carbureting air for use as
illuminating gas.
Gas meter, an instrument for recording the quantity of gas
consumed in a given time, at a particular place.
Gas retort, a retort which contains the coal and other
materials, and in which the gas is generated, in the
manufacture of gas.
Gas stove, a stove for cooking or other purposes, heated by
gas.
Gas tar, coal tar.
Gas trap, a drain trap; a sewer trap. See 4th Trap, 5.
Gas washer (Gas Works), an apparatus within which gas from
the condenser is brought in contact with a falling stream
of water, to precipitate the tar remaining in it.
--Knight.
Gas water, water through which gas has been passed for
purification; -- called also gas liquor and ammoniacal
water, and used for the manufacture of sal ammoniac,
carbonate of ammonia, and Prussian blue. --Tomlinson.
Gas well, a deep boring, from which natural gas is
discharged. --Raymond.
Gas works, a manufactory of gas, with all the machinery and
appurtenances; a place where gas is generated for lighting
cities.
Laughing gas. See under Laughing.
Marsh gas (Chem.), a light, combustible, gaseous
hydrocarbon, CH4, produced artificially by the dry
distillation of many organic substances, and occurring as
a natural product of decomposition in stagnant pools,
whence its name. It is an abundant ingredient of ordinary
illuminating gas, and is the first member of the paraffin
series. Called also methane, and in coal mines, fire
damp.
Natural gas, gas obtained from wells, etc., in
Pennsylvania, Ohio, and elsewhere, and largely used for
fuel and illuminating purposes. It is chiefly derived from
the Coal Measures.
Olefiant gas (Chem.). See Ethylene.
Water gas (Chem.), a kind of gas made by forcing steam over
glowing coals, whereby there results a mixture of hydrogen
and carbon monoxide. This gives a gas of intense heating
power, but destitute of light-giving properties, and which
is charged by passing through some volatile hydrocarbon,
as gasoline.
