oxygen JUST WRITTEN FOR YOU
/ˈɒksɪdʒən/ · ox·y·gen
noun
- The chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994. The periodic table lists oxygen as a highly reactive gas.
- Molecular oxygen (O2), a colorless, odorless gas at room temperature, also called dioxygen. Scuba divers breathe in oxygen to stay underwater for extended periods.
noun
- A mixture of oxygen and other gases, administered to a patient to help them breathe. The hospital's oxygen therapy helped the patient recover from pneumonia.
Synonyms
Did you know? Oxygen is essential for human life, making up approximately 21% of the Earth's atmosphere.