Meaning & use
hemisphere
Half of a sphere, especially one half of the Earth or one side of the brain.
See it in a sentence
Australia lies entirely within the Southern Hemisphere, below the equator.
Damage to the brain's left hemisphere can affect a person's ability to speak.
A note on using this word
Hemisphere is used both geographically, dividing the globe, and anatomically, dividing the brain into left and right halves.
Words with a similar meaning
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