What do you want to learn?

Search 353,402+ words, phrases & grammar rules

📖
Featured Word B1

earth’s (noun (possessive))

Refers to something belonging to or associated with the planet Earth. It is the possessive form of the noun used to describe properties, layers, or features of our world.

💬 Example

"Earth's atmosphere protects us from harmful solar radiation."

💡 Memory Tip

Think of the 's' in Earth's as standing for 'Surface' or 'System' – things that belong to the planet.

🏛️ Origin

⚠️ Common Mistakes

earths → earth's

earths' → earth's

Learn More