Definition of gas

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Gas (n.) An aeriform fluid; -- a term used at first by chemists as synonymous with air, but since restricted to fluids supposed to be permanently elastic, as oxygen, hydrogen, etc., in distinction from vapors, as steam, which become liquid on a reduction of temperature. In present usage, since all of the supposed permanent gases have been liquified by cold and pressure, the term has resumed nearly its original signification, and is applied to any substance in the elastic or aeriform state..

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Ligament :: Ligament (n.) A band of connective tissue, or a membranous fold, which supports or retains an organ in place; as, the gastrophrenic ligament, connecting the diaphragm and stomach..
Megasthene :: Megasthene (n.) One of a group which includes the higher orders of mammals, having a large size as a typical characteristic..
Pleurotoma :: Pleurotoma (n.) Any marine gastropod belonging to Pleurotoma, and ether allied genera of the family Pleurotmidae. The species are very numerous, especially in tropical seas. The outer lip has usually a posterior notch or slit..
Gastronomical :: Gastronomical (a.) Pertaining to gastromony.
Petroleum :: Petroleum (n.) Rock oil, mineral oil, or natural oil, a dark brown or greenish inflammable liquid, which, at certain points, exists in the upper strata of the earth, from whence it is pumped, or forced by pressure of the gas attending it. It consists of a complex mixture of various hydrocarbons, largely of the methane series, but may vary much in appearance, composition, and properties. It is refined by distillation, and the products include kerosene, benzine, gasoline, paraffin, etc..
Dolphin :: Dolphin (n.) A small constellation between Aquila and Pegasus. See Delphinus, n., 2..
Malagasy :: Malagasy (n. sing. & pl.) A native or natives of Madagascar; also (sing.), the language..
Gastroepiploic :: Gastroepiploic (a.) Of or pertaining to the stomach and omentum.
Onondagas :: Onondagas (n. pl.) A tribe of Indians formerly inhabiting what is now a part of the State of New York. They were the central or head tribe of the Five Nations.
Argas :: Argas (n.) A genus of venomous ticks which attack men and animals. The famous Persian Argas, also called Miana bug, is A. Persicus; that of Central America, called talaje by the natives, is A. Talaje..
Tension :: Tension (a.) Expansive force; the force with which the particles of a body, as a gas, tend to recede from each other and occupy a larger space; elastic force; elasticity; as, the tension of vapor; the tension of air..
Euchlorine :: Euchlorine (n.) A yellow or greenish yellow gas, first prepared by Davy, evolved from potassium chlorate and hydrochloric acid. It is supposed to consist of chlorine tetroxide with some free chlorine..
Agastric :: Agastric (a.) Having to stomach, or distinct digestive canal, as the tapeworm..
Gas :: Gas (n.) An aeriform fluid; -- a term used at first by chemists as synonymous with air, but since restricted to fluids supposed to be permanently elastic, as oxygen, hydrogen, etc., in distinction from vapors, as steam, which become liquid on a reduction of temperature. In present usage, since all of the supposed permanent gases have been liquified by cold and pressure, the term has resumed nearly its original signification, and is applied to any substance in the elastic or aeriform state..
Gas :: Gas (n.) Any irrespirable aeriform fluid.
Trap :: Trap (n.) A bend, sag, or partitioned chamber, in a drain, soil pipe, sewer, etc., arranged so that the liquid contents form a seal which prevents passage of air or gas, but permits the flow of liquids..
Gash :: Gash (n.) A deep and long cut; an incision of considerable length and depth, particularly in flesh..
Aspidobranchia :: Aspidobranchia (n. pl.) A group of Gastropoda, with limpetlike shells, including the abalone shells and keyhole limpets..
Ethene :: Ethene (n.) Ethylene; olefiant gas.
Univalvia :: Univalvia (n. pl.) Same as Gastropoda.
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