oxygen
/ˈɑksɪdʒən/
noun
- A colorless, odorless gas that is essential for most living things to breathe and for fire to burn.
- Firefighters wear tanks of oxygen to breathe in smoky buildings.
- The hiker struggled to breathe in the thin air, which had less oxygen.
- Plants produce oxygen during photosynthesis.
- Oxygen gas used in medical treatment to help patients breathe more easily.
- The patient was given extra oxygen through a mask.
- The ambulance carried portable oxygen tanks for emergencies.
- She needed oxygen therapy after her lung infection.
Antonyms