ionization chamber(redirected from ionization chambers)
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A gas-filled enclosure containing positive and negative electrodes that measures the amount of radiation passing through it by measuring the electric charge generated when the ions created by the radiation migrate to the electrodes.
(General Physics) 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
an apparatus for detecting and analyzing ionizing radiation by measuring current between electrodes in a vessel filled with a gas at normal or lower than normal pressure.
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|Noun||1.||ionization chamber - a measuring instrument that measures the amount of ionizing radiation|
boron chamber - an ionization chamber lined with boron or filled with boron trifluoride gas for counting low velocity neutrons