X-ray tubex-ray tube
an evacuated tube containing a metal target that is bombarded by electrons from a cathode and that subsequently emits X-rays
A vacuum tube containing electrodes that accelerate electrons and direct them to a metal anode, where their impacts produce x-rays.
(plural X-ray tubes)
- A device that produces X-rays by directing energetic electrons into a metal target.
- The dentist aimed the X-ray tube at my mouth to find the cavity.