Main Entry: ¹gas

Pronunciation: \ˈgas\

Function: noun

Inflected Form(s): plural gas·es also gas·ses

Etymology: New Latin, alteration of Latin chaos space, chaos

Date: 1779

1 : a fluid (as air) that has neither independent shape nor volume but tends to expand indefinitely
2 a : a combustible gas or gaseous mixture for fuel or lighting; especially : natural gas b : a gaseous product of digestion; also : discomfort from this c : a gas or gaseous mixture used to produce anesthesia d : a substance that can be used to produce a poisonous, asphyxiating, or irritant atmosphere
3 : empty talk : bombast
4 : gasoline; also : the accelerator pedal of an automotive vehicle
5 : driving force : energy <I was young, and full of gas — H. L. Mencken> <ran out of gas in the seventh inning>
6 slang : something that gives pleasure : delight <the party was a gas>