ionization chamber definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
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
ionization chamber definition by American Heritage Dictionary
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A gas-filled enclosure containing positive and negative electrodes that measures the amount of radiation passing through the enclosure according to the degree of ionization caused by the radiation.
ionization chamber - Medical Definition
A chamber for detecting ionization of the enclosed gas, used for determining the intensity of ionizing radiation.