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Word: oxygen (lookup usage) (lookup stats)


Meaning:

Noun:

  • A chemical element (''symbol'' O) with an atomic number of 8 and relative atomic mass of 15.9994.
  • countable An atom of this element.
  • medicine A mixture of oxygen and other gases, administered to a patient to help him or her to breathe.
  • Molecular oxygen (O2), a colorless, odorless gas at room temperature.

Source: Wiktionary | Src Info »