Wiktionary

Michelson-Morley experiment

English edit

 
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Etymology edit

Named after American physicists Albert A. Michelson and Edward W. Morley, who performed the experiment.

Proper noun edit

the Michelson-Morley experiment

  1. (physics, historical) An attempt in 1887 to detect the existence of the luminiferous aether by comparing the speed of light in perpendicular directions.
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