oxygen
/หษksษชdสษn/IPA: /AA1 K S AH0 JH AH0 N/
noun
- 1
The chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994. It is a colorless and odorless gas.
- 2
Molecular oxygen (O2), a colorless, odorless gas at room temperature, also called dioxygen.
- 3
A mixture of oxygen and other gases, administered to a patient to help them breathe.
- 4
An atom of this element.
Synonyms
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