gas1 Pronunciation: /ɡæs/Translate gas | into French | into German | into Italian Spanish translation of gasn (pl gases or, gasses) 1 u c [Phys] gas (m) 2 u a (fuel) gas (m); (before n) [ring/heater] de or a gas b (anesthetic) gas (m) 3 u (gasoline) (AmE) gasoline 4 u (flatulence) (AmE) gases (mpl)gas in other Oxford dictionaries Definition of gas in the British & World English dictionary Definition of gas in the US English dictionary