radiation ionization chamber

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• ionization chamber — n a partially evacuated tube provided with electrodes so that its conductivity due to the ionization of the residual gas reveals the presence of ionizing radiation * * * a device for measuring ionizing radiation by the measurement of the… …   Medical dictionary

• Ionization chamber — An ionization chamber is a device used for two major purposes: detecting particles in air (as in a smoke detector), and for detection or measurement of ionizing radiation. An ionization chamber is an instrument constructed to measure the number… …   Wikipedia

• ionization chamber — 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… …   Universalium

• ionization chamber — noun a measuring instrument that measures the amount of ionizing radiation • Syn: ↑ionization tube • Hypernyms: ↑measuring instrument, ↑measuring system, ↑measuring device • Hyponyms: ↑boron chamber, ↑ …   Useful english dictionary

• ionization chamber — noun Date: 1904 a partially evacuated tube provided with electrodes so that its conductivity due to the ionization of the residual gas reveals the presence of ionizing radiation …   New Collegiate Dictionary

• ionization chamber — ioniza′tion cham ber n. phs 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 • Etymology: 1900–05 …   From formal English to slang

• radiation measurement — ▪ technology Introduction       technique for detecting the intensity and characteristics of ionizing radiation, such as alpha, beta, and gamma rays or neutrons, for the purpose of measurement.       The term ionizing radiation refers to those… …   Universalium

• ionization — n. (also isation) the process of producing ions as a result of solvation, heat, radiation, etc. Phrases and idioms: ionization chamber an instrument for detecting ionizing radiation …   Useful english dictionary

• ionization tube — noun a measuring instrument that measures the amount of ionizing radiation • Syn: ↑ionization chamber • Hypernyms: ↑measuring instrument, ↑measuring system, ↑measuring device • Hyponyms: ↑boron chamber, ↑ …   Useful english dictionary

• chamber — A compartment or enclosed space. SEE ALSO: camera. [L. camera] altitude c. a decompression c. for simulating a high altitude environment, particularly its low barometric pressure. SYN: high altitude c.. anechoic c. a room designed to absorb all… …   Medical dictionary

• Gaseous ionization detectors — In particle physics, gaseous ionization detectors are detectors designed to seek the presence of particles (a particle detector). If a particle has enough energy to ionize a gas, the resulting electrons emitted can cause a current flow which can… …   Wikipedia