Medical Dictionary

X–ray tube

noun

Medical Definition of X–ray tube

  1. :  a vacuum tube in which a concentrated stream of electrons from a cathode strikes a metal target and produces X-rays from the side of the tube at right angles in a quantity and intensity that is controlled by the cathode temperature and with a wavelength and hardness that depends upon the voltage applied to the tube terminals


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a rounded knoll or a ridge of ice

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