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Geiger-Müller tube

American

noun

Physics.

a tube functioning as an ionization chamber within a Geiger counter.

Etymology

Origin of Geiger-Müller tube

First recorded in 1925–30; see origin at Geiger-Müller threshold

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.