Definition, Meaning & Synonyms
oxygen
noun
/ˈɒksɪdʒən/
Definition
Oxygen is a chemical element with the symbol O and atomic number 8. It is a colorless, odorless gas essential for life on Earth.
Examples
- Oxygen is crucial for human survival, as we breathe it in every day.
- The fire went out when it ran out of oxygen.
- Plants produce oxygen during photosynthesis.
Meaning
Oxygen is a vital element that supports combustion and is necessary for respiration in living organisms.
Synonyms
- air
- O₂
- breathable gas