HEMISPHERE
hemisphere
Noun
- Half of the celestial sphere, as divided by either the ecliptic or the celestial equator .
- A realm or domain of activity .
- Half of the Earth, such as the Northern Hemisphere, Southern Hemisphere, Western Hemisphere or Eastern Hemisphere, Land Hemisphere, Water Hemisphere etc. .
- Any half-sphere, formed by a plane intersecting the center of a sphere. .
- A map or projection of a celestial or terrestrial hemisphere .
- Either of the two halves of the cerebrum. .
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