[gahy-ger muhl-er, -myoo-ler]
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.
Origin of Geiger-Müller threshold
named after H. Geiger and W. Müller, 20th-century German physicist
Also called Geiger threshold.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019