ionization-chamber

ionization chamber

noun Physics.
an apparatus for detecting and analyzing ionizing radiation, consisting of a vessel filled with a gas at normal or lower than normal pressure and fitted with two electrodes such that the current between the electrodes is a function of the amount of ionization of the gas.
Also called ion chamber.


Origin:
1900–05

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World English Dictionary
ionization chamber
 
n
a device for detecting and measuring ionizing radiation, consisting of a tube containing a low pressure gas and two electrodes between which a high voltage is maintained. The current between the electrodes is a function of the intensity of the radiation

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

ionization chamber n.
A chamber for detecting ionization of the enclosed gas, used for determining the intensity of ionizing radiation.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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