|1.||one half of a sphere|
|2.||a. half of the terrestrial globe, divided into northern and southern hemispheres by the equator or into eastern and western hemispheres by some meridians, usually 0° and 180°|
|b. a map or projection of one of the hemispheres|
|3.||either of the two halves of the celestial sphere that lie north or south of the celestial equator|
|4.||anatomy short for cerebral hemisphere|
hemisphere hem·i·sphere (hěm'ĭ-sfēr')
A half of a symmetrical spherical structure as divided by a plane of symmetry.
Either of the lateral halves of the cerebrum; a cerebral hemisphere.
|hemisphere (hěm'ĭ-sfîr') Pronunciation Key
Any half of the Earth's surface.