- a chemical element. Oxygen is a gas that is present in air and water and is necessary for people, animals and plants to live.
- The patient didn't seem to be getting enough oxygen.
Extra ExamplesTopics Physics and chemistryb2- After dark the plants stop producing oxygen.
- There was a risk the brain might be starved of oxygen.
- the blood which carries oxygen to the brain
Oxford Collocations Dictionaryadjective- pure
- liquid
- atmospheric
- …
- carry
- contain
- absorb
- …
- atom
- molecule
- level
- …
- a lack of oxygen
- a supply of oxygen
Word Originlate 18th cent.: from French (principe) oxygène ‘acidifying constituent’ (because at first it was held to be the essential component in the formation of acids).
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oxygen