Topic: BIOLOGY
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| Date: | 1500-1600 |
| Language: | Latin |
| Origin: | hemisphaerium, from Greek, from hemi- 'half' + sphairion 'small sphere' |
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hem‧i‧sphere
[countable]
[countable]1 a half of the earth, especially one of the halves above and below the equator : the Northern hemisphere
the Northern hemisphere2HB one of the two halves of your brain
3CF half of a sphere (=an object which is round like a ball)
—hemispherical adjective
adjective