1. [symbol] The letter X in the ICAO spelling alphabet.
2. [noun] Short wavelength electromagnetic radiation usually produced by bombarding a metal target in a vacuum. Used to create images of the internal structure of objects; this is possible because X-rays pass through most objects and can expose photographic film.
3. [noun] A radiograph: a photograph made with X-rays.
4. [noun] An X-ray machine.
5. [noun] The letter X in the ICAO spelling alphabet.
6. [verb] (transitive) (informal) To take a radiograph of; to obtain an image of using X-ray radiation, especially for the purpose of medical diagnostic evaluation.
7. [adjective] Of or having to do with X-rays.
8. [noun] Alternative spelling of X-ray
9. [noun] Electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target.
10. [noun] A radiogram made by exposing photographic film to X rays; used in medical diagnosis.
11. [verb] Examine by taking x-rays.
12. [verb] Take an x-ray of something or somebody; 'The doctor x-rayed my chest'.
