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Definitions

hemisphere

[hem-i-sfeer] / ˈhɛm ɪˌsfɪər /
NOUN
half
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

By applying deep learning models trained on tens of thousands of MRI scans, the team estimated the "brain age" of different regions in each hemisphere and examined how stroke affects both structure and recovery.

From Science Daily • Mar. 29, 2026

Now we are past the spring equinox, the northern hemisphere starts to get more daylight and a strengthening Sun.

From BBC • Mar. 27, 2026

Poorer countries devote a bigger part of their incomes to essentials like food and transport than the Western hemisphere.

From MarketWatch • Mar. 20, 2026

The US State Department has called it a threat to regional security in what it calls "our hemisphere."

From Barron's • Mar. 12, 2026

Mammoths had flourished for millions of years over most of the northern hemisphere, but as Homo sapiens spread—first over Eurasia and then over North America—the mammoths retreated.

From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari