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ion chamber

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Ion Chambers
Model 451P, Model 451B Order Online
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Ion Chambers
Model 451P, Model 451B Order Online
www.drct.com

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
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: ionization cham·ber
Pronunciation: -"chAm-b&r
Function: noun
: a partially evacuated tube provided with electrodes so that itsconductivity due to the ionization of the residual gas reveals the presence of ionizing radiation
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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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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