That oxygen thief never contributes anything to the team.

The clinic deployed oxygen tents during the heatwave to support elderly patients with chronic respiratory conditions.

The diver checked the oxygen tank before descending.

In models of massive stars, oxygen burning is the nucleosynthesis phase that follows carbon burning, during which neon disintegrates and oxygen fuses to form silicon, phosphorus, sulfur, and other elements up to atomic number 40.

During the emergency drill, the instructor showed us how to secure the oxygen mask quickly and comfortably.

After a long week, she and her friends went to an oxygen bar to breathe aromatherapy-scented oxygen and unwind.

After the severe asthma attack, the patient required oxygen therapy to stabilize her breathing.

Before the summit push, she double-checked her oxygen bottle and tightened the regulator to ensure a steady flow.

The chemist carefully handled a sample of oxygen difluoride to study its reactivity with organic solvents.

The research team reported the discovery of a new oxygen fluoride with unusual bonding characteristics.