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Definition of gas noun from the Oxford Advanced Learner's Dictionary

gas

noun
 
/ɡæs/
 
/ɡæs/
(plural gases, less frequent gasses)
Idioms
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    not solid/liquid

  1. [countable, uncountable] any substance like air that is neither a solid nor a liquid, for example hydrogen or oxygen
    • Air is a mixture of gases.
    • Carbon monoxide is a poisonous gas.
    see also greenhouse gas, marsh gas, noble gas
    Extra Examples
    • It gives off a poisonous gas as it decomposes.
    • Noxious gases had built up in the sewer.
    • Toxic gases can escape through one of the pipes.
    • Producing methane gas from organic waste is another extremely practical use of resources.
    • CFC gases
    Topics Physics and chemistrya2
    Oxford Collocations Dictionaryadjective
    • deadly
    • noxious
    • poisonous
    verb + gas
    • emit
    • give off
    • produce
    gas + verb
    • build up
    gas + noun
    • leak
    • emissions
    • chamber
    See full entry
  2. [uncountable] a particular type of gas or mixture of gases used as fuel for heating and cooking
    • fossil fuels like oil and gas
    • Can you smell gas?
    • a gas cooker/stove/fire
    • gas central heating
    • a gas leak/explosion
    • plans to build a new gas pipeline
    • Gas prices have risen sharply.
    • The country has huge gas reserves.
    • a gas canister/cylinder (= for storing gas)
    • (British English) Preheat the oven to gas mark 5 (= a particular temperature of a gas oven).
    see also Calor gas™, coal gas, natural gas, shale gas
    Extra Examples
    • Chinese gas reserves are now being tapped.
    • I lit the gas and put the soup on to warm.
    • I prefer to cook with gas.
    • Local gas works were closed as natural gas became available.
    • tapping the North Sea gas fields
    • The explosion was caused by a gas leak.
    Topics The environmenta2
    Oxford Collocations Dictionaryadjective
    • butane
    • coal
    • natural
    verb + gas
    • cook with
    • light
    • turn on
    gas + noun
    • appliance
    • boiler
    • central heating
    phrases
    • gas mark 2, 3, etc.
    See full entry
  3. [uncountable] a particular type of gas used during a medical operation, to make the patient unconscious or to make the pain less
    • an anaesthetic gas
    • Did you have gas or an injection?
    • During the birth she was given gas and air.
  4. [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
  5. in vehicle

  6. (also gasoline)
    (both North American English)
    (British English petrol)
    [uncountable] a liquid obtained from petroleum, used as fuel in car engines, etc.
    • to run out of gas
    • I still had plenty of gas in the tank.
    • He supported himself with a night job pumping gas.
    • a gas pump
    see also gas station (1)Topics The environmenta2, Transport by car or lorrya2
    Oxford Collocations Dictionarygas + noun
    • pedal
    • station
    See full entry
  7. the gas
    [singular]
    (also gas pedal [countable] (both especially North American English))
    (also accelerator [countable] British and North American English)
    the pedal in a car or other vehicle that you press with your foot to control the speed of the engine
    • Step on the gas, we're late.
  8. fun

  9. [singular] (especially North American English) a person or an event that is fun
    • The party was a real gas.
  10. in stomach

  11. (North American English)
    (British English wind)
    [uncountable] air that you swallow with food or drink; gas that is produced in your stomach or intestines that makes you feel uncomfortable
  12. Word Originmid 17th cent.: invented by J. B. van Helmont (1577–1644), Belgian chemist, to denote an occult principle which he believed to exist in all matter; suggested by Greek khaos ‘chaos’, with Dutch g representing Greek kh.
Idioms
be cooking with gas
  1. (informal) to be doing something very well and successfullyTopics Successc2
See gas in the Oxford Advanced American DictionarySee gas in the Oxford Learner's Dictionary of Academic English
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