Air oxygen Synonyms
We can't find synonyms for the phrase "Air oxygen", but we have synonyms for terms, you can combine them.AO abbreviation
AO is an abbreviation for Air OxygenWhat does AO stand for?
AO stands for "Air Oxygen" Definitions for Air
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