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Search Results

oxygen noun
oxygen bar noun
oxygen mask noun
oxygen tent noun
aerobic adjective
anaerobic adjective
oxygenate verb
rarefied adjective
thin adjective
O symbol
oxygenator noun
silicate noun
oxide noun
hypoxemia noun
oxidant noun
carbonate noun
hemoglobin noun
hypoxia noun
methanol noun
ozone noun

Definition of oxygen noun from the Oxford Advanced American Dictionary

oxygen

noun

/ˈɑksɪdʒən/ oxygen pronunciation American

[uncountable] (symb. O)

a chemical element. Oxygen is a gas that is present in air and water and is necessary for people, animals, and plants to live.