• synonyms

Geiger-Müller tube

noun Physics.
  1. a tube functioning as an ionization chamber within a Geiger counter.
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Origin of Geiger-Müller tube

First recorded in 1925–30; see origin at Geiger-Müller threshold
Also called Geiger tube.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018