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Definition of
oxygen noun
from the Oxford Advanced American Dictionary
oxygen
noun
noun
NAmE
/
/
ˈɑksɪdʒən
/
/
[
uncountable
]
(
symbol
O
)
jump to other results
a chemical element.
Oxygen
is a gas that is present in air and water and is necessary for people, animals, and plants to live.
See
oxygen
in the Oxford Advanced Learner's Dictionary
Check pronunciation:
oxygen
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