- a tube functioning as an ionization chamber within a Geiger counter.
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
- A metal or glass tube filled with gas and used with a geiger counter.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.