A pipe or hose connecting a gas appliance to the main supply of natural gas for the apartment, office or building.

plural of gas coal

Gas for lighting or heating, made by distilling oil in closed retorts.

plural of gas engine

An engine in which motion is communicated to the piston by the alternate admission and condensation of gas in a closed cylinder.

(slang, surfing, of a surfer) To be knocked off one's surfboard by a wave.

Alternative form of town gas

A gasworks apparatus within which gas from the condenser is brought in contact with a falling stream of water, to precipitate the tar remaining in it.

Water through which gas has been passed for purification, and used for the manufacture of sal ammoniac, carbonate of ammonia, and Prussian blue.

(underwater diving) A mixture of gases used for respiration in breathing equipment, typically in scuba diving.