oxygen

Definition

  • noun: a reactive element that is found in water, in most rocks and minerals, in numerous organic compounds, and as a colorless tasteless odorless diatomic gas constituting 21 percent of the atmosphere, that is capable of combining with all elements except the inert gases, that is active in physiological processes, and that is involved especially in combustion
  • noun: a chemical that is found in the air, that has no color, taste, or smell, and that is necessary for life
  • often used before another noun
  • synonyms: e948, packaging gas

Examples

  • The doctors monitored 'oxygen' levels in her blood.

  • breathing pure 'oxygen'

  • an 'oxygen' tank

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