VS.

Oxygen vs. Dioxygen

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Oxygennoun

A chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994.

Dioxygennoun

(inorganic chemistry) the normal allotrope of oxygen having two atoms per molecule; O₂

Oxygennoun

Molecular oxygen (O2), a colorless, odorless gas at room temperature.

Dioxygennoun

two atoms of oxygen in a molecule

Oxygennoun

(medicine) A mixture of oxygen and other gases, administered to a patient to help him or her to breathe.

Oxygennoun

(countable) An atom of this element.

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Oxygennoun

A colorless, tasteless, odorless, gaseous element of atomic number 8, occurring in the free state in the atmosphere, of which it forms about 23 per cent by weight and about 21 per cent by volume, being slightly heavier than nitrogen. Symbol O. Atomic weight 15.9994.

Oxygennoun

Chlorine used in bleaching.

Oxygennoun

a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust

Oxygennoun

a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.

‘an oxygen supply’; ‘if breathing stops, there is no oxygen getting to the brain and the cells begin to die’; ‘hydrogen and carbon in the fuel combine with the oxygen in the air to form carbon dioxide and water’;

Oxygen

Oxygen is the chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds.

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