Definition, Meaning & Synonyms
oxygen
noun
/ˈɒksɪdʒən/
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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.
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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.
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Meaning
Oxygen is a vital element that supports combustion and is necessary for respiration in living organisms.
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Synonyms
- air
- O₂
- breathable gas