Useful english dictionary. 2012.
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 — 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 energy — ▪ chemistry also called ionization potential, in chemistry, the amount of energy required to remove an electron from an isolated atom or molecule. There is an ionization energy for each successive electron removed; the ionization energy… … Universalium
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
Gas-filled tube — See also: Gas discharge lamp A gas filled tube, also known as a discharge tube, is an arrangement of electrodes in a gas within an insulating, temperature resistant envelope. Although the envelope is typically glass, power tubes often use… … Wikipedia
Geiger-Muller tube — noun an ionization chamber contained in a tube in a Geiger counter • Syn: ↑Geiger tube • Hypernyms: ↑ionization chamber, ↑ionization tube • Part Holonyms: ↑Geiger counter, ↑Geiger Muller counter * * … Useful english dictionary
Geiger tube — noun an ionization chamber contained in a tube in a Geiger counter (Freq. 1) • Syn: ↑Geiger Muller tube • Hypernyms: ↑ionization chamber, ↑ionization tube • Part Holonyms: ↑Geiger counter, ↑ … Useful english dictionary
Voltage regulator tube — A voltage regulator tube (VR tube) is an electronic component used as a shunt regulator to hold a voltage constant at a pre determined level.Physically, these devices resemble vacuum tubes, but there are two main differences: * Their glass… … Wikipedia
Crookes tube — A Crookes tube. The electrons travel in straight lines from the cathode on the left, shown by the shadow cast by the cross on the fluorescence on the righthand wall. The anode is at the bottom. A Crookes tube is an early experimental electrical… … Wikipedia
