Free oxygen Synonyms

Definitions for Free


  • (adjective) not being under the rule or control of another
  • (adjective) no longer burdened with something unpleasant or painful
  • (adjective) not bound , confined , or detained by force

FO abbreviation

FO is an abbreviation for Free Oxygen
What does FO stand for?
FO stands for "Free Oxygen"

Definitions for Oxygen


  • (noun) a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust