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Dictionary

ioniza'tion cham"ber

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.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

ionium

ionization potential

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