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oxygen

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English

Chemical element
O Previous: nitrogen (N)
Next: fluorine (F)

Etymology

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.

Pronunciation

Noun

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Singular
oxygen

Plural
s

oxygen (s)
  1. A chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994.
  2. Molecular oxygen (O2), a colorless, odorless gas at room temperature.
  3. (medicine) A mixture of oxygen and other gases, administered to a patient to help him or her to breathe.
  4. (countable) An atom of this element.

Derived terms

Related terms

Translations

Synonyms

External links

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)

See also

Elsewhere on the web

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