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more about hemisphere
hemisphere |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Hemisphere \Hem"i*sphere\, n. [L. hemisphaerium Gr ?; ? half = ? sphere: cf F. h['e]misph[`e]re. See {Hemi-}, and {Sphere}.] 1. A half sphere; one half of a sphere or globe, when divided by a plane passing through its center. 2. Half of the terrestrial globe, or a projection of the same in a map or picture. 3. The people who inhabit a hemisphere. He died . . . mourned by a hemisphere. --J. P. Peters. {Cerebral hemispheres}. (Anat.) See {Brain}. {Magdeburg hemispheres} (Physics), two hemispherical cups forming, when placed together, a cavity from which the air can be withdrawn by an air pump; -- used to illustrate the pressure of the air.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. From WordNet r 1.6 [wn]: hemisphere n 1: half of the terrestrial globe 2: half of a sphere 3: either half of the cerebrum [syn: {cerebral hemisphere}]
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