ionization chamber Hear it!

ionization chamber definition

ionization chamber

any of various devices, as a closed vessel containing a suitable gas, for determining the intensity of X-rays or the disintegration rate of a radioactive material, by measuring the current flow between oppositely charged electrodes in the gas

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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