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Geography · Grades 3–4

Hemisphere

noun

One half of Earth, divided either by the equator or the Prime Meridian.

Example Sentences

"The United States is in the Northern Hemisphere."

"The Southern Hemisphere includes South America, Africa, and Australia."

Synonyms & Related Terms

half of Earth

Quick Check

Which best describes the meaning of hemisphere?

Study Tips

To remember hemisphere, try writing it in a sentence of your own. Connect it to something you already know about geography.

Use it in conversation today — saying a word aloud three times helps lock it into long-term memory.