Princeton's WordNet

1. X ray, X-ray, X-radiation, roentgen ray(noun)

   electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target

2. roentgenogram, X ray, X-ray, X-ray picture, X-ray photograph(verb)

   a radiogram made by exposing photographic film to X rays; used in medical diagnosis

3. x-ray(verb)

   examine by taking x-rays

4. x-ray(verb)

   take an x-ray of something or somebody

   "The doctor x-rayed my chest"