Geiger-Müller threshold

American  

[gahy-ger muhl-er, -myoo-ler] / ˈgaɪ gər ˈmʌl ər, -ˈmju 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.

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Etymology

Origin of Geiger-Müller threshold

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