Definition of Magdeburg hemispheres in English:

Magdeburg hemispheres

Line breaks: Mag¦de|burg hemi|spheres

Entry from British & World English dictionary


  • A pair of copper or brass hemispheres joined to form a hollow globe from which the air can be extracted to demonstrate the pressure of the atmosphere, which then prevents them from being pulled apart.


early 19th century: named after the city of Magdeburg, home of the inventor, Otto von Guericke (1602–86).

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