noun
oxygen
AHK-sih-juhn/ˈɑːksɪdʒən/
A gaseous chemical element needed for most life and supporting combustion.
Our lungs absorb oxygen from the air with every breath.
Etymology
The pieces mean “acid producer”: oxygen was named under the mistaken belief that it was essential to forming acids. The name therefore reflects an early chemical theory rather than its role in breathing.
In context
oxygen is present in air we inhale it right no air no oxygen no life isn't it
More examples
- Fish take in dissolved oxygen through their gills.
- The nurse gives the patient extra oxygen through a mask.
- A candle flame goes out when its oxygen supply runs low.
Forms
oxygenate verb — To add oxygen to a substance.
oxygenation noun — The process of adding oxygen.