Relating to or characteristic of Otto von Guericke, the 17th-century physicist and inventor, or his methods and discoveries.
From the proper name 'Guericke' with the adjectival suffix '-ian'. Otto von Guericke was a German scientist famous for demonstrating atmospheric pressure with the Magdeburg hemispheres experiment.
The 'Magdeburg hemispheres' experiment was so famous that scientists created an adjective from Guericke's name—his dramatic proof of atmospheric pressure in 1650 basically showed that air has weight and power.
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