01 n. A half sphere; one half of a sphere or globe, when divided by a plane passing through its center.
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1.
A half sphere; one half of a sphere or globe, when divided by a plane passing through its center.
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2.
Half of the terrestrial globe, or a projection of the same in a map or picture.
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3.
The people who inhabit a hemisphere.“He died . . . mourned by a hemisphere.” — J. P. Peters.
Phrases & compounds
Cerebral hemispheres —
See Brain.
Magdeburg hemispheres —
two hemispherical cups forming, when placed together, a cavity from which the air can be withdrawn by an air pump; -- used to illustrate the pressure of the air. So called because invented by Otto von Guericke at Magdeburg.