• noun
• synonym
• antonym

• liquid oxygen (noun)
  1. a bluish translucent magnetic liquid obtained by compressing gaseous oxygen and then cooling it below its boiling point; used as an oxidizer in rocket propellants
• oxygen acid (noun)
  1. any acid that contains oxygen
• oxygen bar (noun)
  1. a bar where you pay to breathe pure oxygen, or oxygen that has a pleasant smell, so that you can relax and have more energy
• oxygen debt (noun)
  1. a temporary medical condition in which not enough oxygen is going to the muscles in your body, caused by doing physical exercise that takes a lot of strength or effort
• oxygen deficit (noun)
  1. temporary oxygen shortage in cells resulting from strenuous exercise
• oxygen mask (noun)
  1. a piece of equipment that fits over someone's mouth and nose to provide them with oxygen
• oxygen tent (noun)
  1. a piece of equipment shaped like a tent that is put around people who are very ill in hospital, to provide them with oxygen
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