X-ray tube

noun

Definition of X-ray tube 

: a vacuum tube in which a concentrated stream of electrons strikes a metal target and produces X-rays

First Known Use of X-ray tube

1896, in the meaning defined above

Keep scrolling for more

Learn More about X-ray tube

Share X-ray tube

Statistics for X-ray tube

Look-up Popularity

Time Traveler for X-ray tube

The first known use of X-ray tube was in 1896

See more words from the same year

Keep scrolling for more

More Definitions for X-ray tube

X-ray tube

noun

Medical Definition of X-ray tube 

: 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

Comments on X-ray tube

What made you want to look up X-ray tube? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

one that holds something together

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!