x-ray tube

1. 1.

   a vacuum tube containing a metal target onto which a beam of electrons is directed at high energy for the generation of X rays

   Broadertube

   Part ofX-ray machine

Questions about x-ray tube

What does x-ray tube mean?

x-ray tube means "a vacuum tube containing a metal target onto which a beam of electrons is directed at high energy for the generation of X rays".

Is x-ray tube a common word?

x-ray tube is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.