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Definition of "x-ray tube" [x-ray tube]

  • A vacuum tube containing electrodes that accelerate electrons and direct them to a metal anode, where their impacts produce x-rays. (noun)
  • An evacuated tube containing a metal target onto which is directed a beam of electrons at high energy for the generation of X-rays (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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