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De - Pt| English Dictionary: Magdeburg hemispheres | by the DICT Development Group |
| 2 results for Magdeburg hemispheres | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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Magdeburg \Mag"de*burg\, n. A city of Saxony. {Magdeburg centuries}, {Magdeburg hemispheres}. See under {Century}, and {Hemisphere}. | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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Hemisphere \Hem"i*sphere\, n. [L. hemisphaerium, Gr. [?]; [?] half = [?] sphere: cf. F. h[82]misph[8a]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hemispheres} (Physics), two hemispherical cups forming, when placed together, a cavity from which the air can be withdrawn by an air pump; -- used to illustrate the pressure of the air.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. | |
