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Featured Word A1

oxygen (noun)

A gas with no color, taste, or smell that is necessary for all human and animal life. It makes up about 21 percent of the Earth's atmosphere and is essential for the process of breathing.

💬 Example

"Humans and animals need oxygen to breathe and stay alive."

💡 Memory Tip

Think of an 'OX' (the animal) breathing in a 'GEN' (garden). OX-Y-GEN. The ox needs it to live in the garden.

🏛️ Origin

🔗 Synonyms
O2 vital air life-giving gas atmospheric oxygen
⚠️ Common Mistakes

I need an oxygen. → I need some oxygen.

The plants produce airs. → The plants produce oxygen.

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