noun: X-ray; plural noun: X-rays
an electromagnetic wave of high energy and very short wavelength, which is able to pass through many materials opaque to light.
"an X-ray source"
denoting an apparent or supposed faculty for seeing beyond an outward form.
modifier noun: X-ray
a photographic or digital image of the internal composition of something, especially a part of the body, produced by X-rays being passed through it and being absorbed to different degrees by different materials.
a code word representing the letter X, used in radio communication.
verb: X-ray; 3rd person present: X-rays; past tense: X-rayed; past participle: X-rayed; gerund or present participle: X-raying
photograph or examine with X-rays.