An example of hemisphere is the southern part of the world.
An example of hemisphere is the left side of the brain.
- Any of the halves into which the celestial sphere is divided by either the celestial equator or the ecliptic.
- Any of the halves of the earth: the earth is divided by the equator into the N and S hemispheres and by a meridian into the E Hemisphere (containing Europe, Asia, Africa, and Australia) and the W Hemisphere (containing the Americas and Oceania).
- A model or map of any of these halves.
Origin of hemisphere
- From Latin hemisphaerium, from Ancient Greek ἡμισφαίριον (hēmisphairion), from ἡμι- (hēmi-, “half”) + σφαῖρα (sphaira).