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Borrowed from French oxygène (originally in the form principe oxygène, a variant of principe oxigine ‘acidifying principle’, suggested by Lavoisier), from Ancient Greek ὀξύς (oxus) sharp + γένος (genos) birth, referring to oxygen's role in the formation of acids.
- A chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994.
- Molecular oxygen (O2), a colorless, odorless gas at room temperature.
- (medicine) A mixture of oxygen and other gases, administered to a patient to help him or her to breathe.
- (countable) An atom of this element.
- oxo-, oxo
- oxy-, oxy
For etymology and more information refer to: http://elements.vanderkrogt.net/elem/o.html (A lot of the translations were taken from that site with permission from the author)
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