Gas

gas, n. a vaporous substance not condensed into a liquid at ordinary terrestrial temperatures and pre ures—esp. that obtained from coal, used in lighting houses: ( coll. ) frothy talk:— pl. Gas′es .— v.t. to supply with gas: ( U.S. ) to impose on by talking gas.— v.i. to vapour, talk boastfully.— ns. Gasalier′ , Gaselier′ , a hanging frame with branches for gas-jets, formed on false analogy from chandelier ; Gas′-bag , a bag for holding gas: a boastful, talkative person; Gas′-brack′et , a pipe, mostly curved, projecting from the wall of a room, used for illuminating purposes; Gas′-burn′er , a piece of metal fitted to the end of a gas-pipe, with one or more small holes so arranged as to spread out the flame; Gas′-coal , any coal suitable for making illuminating gas; Gas′-condens′er , an apparatus for freeing coal-gas from tar; Gasē′ity , Gā′seousne .— adj. Gaseous (gā′se-us). — ns. Gas′-en′gine , an engine in which motion is communicated to the piston by the alternate admi ion and condensation of gas in a closed cylinder; Gas′-fit′ter , one who fits up the pipes and brackets for gas-lighting; Gas′-fix′ture , a bracket or chandelier for gas; Gas′-fur′nace , a furnace of which the fuel is gas; Gas′holder , a large ve el for storing gas; Gasificā′tion , the proce of converting into gas.— v.t. Gas′ify , to convert into gas.— ns. Gas′-jet , a gas-burner; Gas′-lamp , a lamp lighted by gas; Gas′-main , one of the principal underground pipes conveying gas from the works to the places where it is consumed; Gas′-man , a man employed in the manufacture of gas: the man who controls the lights of the stage; Gas′-mē′ter , an instrument for measuring the quantity of gas consumed at a particular place in a given time; Gas′ogene (same as Gazogene ); Gas′olene , rectified petroleum; Gasom′eter , an instrument for measuring gas: a place for holding gas.— adjs. Gasomet′ric , -al .— ns. Gas′-pipe , a pipe for conveying gas; Gas′sing , idle talking; Gas′-stove , an apparatus in which coal-gas is used for heating and cooking purposes.— adj. Gas′sy , full of gas, gaseous: ( slang ) given to vain and boastful talk.— ns. Gas′-tank , a reservoir for coal-gas; Gas′-tar , coal-tar.— adj. Gas′-tight , sufficiently close to prevent the escape of gas.— ns. Gas′-wa′ter , water through which coal-gas has been pa ed; Gas′-works , an establishment where illuminating gas is manufactured. [A word invented by the Dutch chemist J. B. Van Helmont (1577-1644)—the form suggested by Gr. chaos .]