I. X-ray 1 /ˈeks reɪ/ BrE AmE noun [countable]
[ Date: 1800-1900 ; Origin: Translation of German X-strahl , X representing 'unknown' ]
1 . a beam of ↑ radiation (1) that can go through solid objects and is used for photographing the inside of the body
2 . a photograph of part of someone’s body, taken using X-rays to see if anything is wrong:
The X-ray showed that her leg was not broken.
3 . a medical examination made using X-rays ⇨ radiography :
I had to go to hospital for an X-ray.
a chest X-ray
II. X-ray 2 BrE AmE verb [transitive]
to photograph the inside of someone’s body using X-rays:
The problem was only discovered when her lungs were X-rayed.