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Geiger-Müller threshold

American  
[gahy-ger muhl-er, -myoo-ler] / ˈgaɪ gər ˈmʌl ər, -ˈmyu lər /

noun

Physics.
  1. the minimum voltage applied to an ionization chamber, as in a Geiger counter, at which the charge collected per count is independent of the nature of the ionizing event producing the count.


Etymology

Origin of Geiger-Müller threshold

Named after H. Geiger and W. Müller, 20th-century German physicist