Definition of gas noun from the Oxford Advanced American Dictionary



    (pl. gases or ()gasses)
    jump to other results
    in vehicle
  1. 1 (also gasoline) [uncountable] a liquid obtained from petroleum, used as fuel in car engines, etc. We need to stop for gas. a gas station a gas pump to fill up the gas tank
  2. 2 the gas [singular] = gas pedal Step on the gas, we're late.
  3. not solid/liquid
  4. 3 [countable, uncountable] any substance like air that is neither a solid nor a liquid; for example, hydrogen and oxygen are both gases Air is a mixture of gases. CFC gases a gas bottle/cylinder (= for storing gas) see also greenhouse gas
  5. 4 [uncountable] a particular type of gas or mixture of gases used as fuel for heating and cooking a gas stove/furnace a gas explosion/leak gas heat see also coal gas, natural gas
  6. 5 [uncountable] a particular type of gas used during a medical operation, to make the patient sleep or to make the pain less an anesthetic gas Did you have gas or an injection? see also laughing gas
  7. 6 [uncountable] a particular type of gas used in war to kill or injure people, or used by the police to control people a gas attack see also CS gas, mustard gas, nerve gas, tear gas
  8. fun
  9. 7 [singular] a person or an event that is fun The party was a real gas.
  10. in stomach
  11. 8[uncountable] air that you swallow with food or drink; gas that is produced in your stomach or intestines that makes you feel uncomfortable
  12. Idioms
    run out of gas(informal)
    jump to other results
    to lose energy and enthusiasm and stop doing something, or do it less well
See the Oxford Advanced Learner's Dictionary entry: gas