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ionization chamber

noun

, Physics.
  1. 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.


ionization chamber

noun

  1. 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” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of ionization chamber1

First recorded in 1900–05

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ionizationionization or ionizing