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x-ray tube

an electronic tube for producing x-rays, essentially a cathode-ray tube in which a metal target is bombarded with high-energy electrons.
Origin of x-ray tube
1905-10 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for x-ray tube
  • Every emitter plus target combination is a tiny x-ray tube.
  • Every x-ray tube, no matter how small, emits x-rays in every direction.
  • The travel and traverse limits of the x-ray tube should be indicated, if applicable.
  • One, but not both, of the indicators required by this regulation may be a milliammeter labeled to indicate x-ray tube current.
  • Make sure that the x-ray tube is centered to the table using the transverse locking mechanism on the x-ray tube.
  • The contractor is also responsible for the disposal of the removed x-ray tube and two spare x-ray tubes.
British Dictionary definitions for x-ray tube

X-ray tube

an evacuated tube containing a metal target onto which is directed a beam of electrons at high energy for the generation of X-rays
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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