Definition of "x-ray" [x-ray]
- (noun) A relatively high-energy photon having a wavelength in the approximate range from 0.01 to 10 nanometers.
- (noun) A stream of such photons, used for their penetrating power in radiography, radiology, radiotherapy, and scientific research. Often used in the plural. Also called roentgen ray.
- (noun) A photograph taken with x-rays.
- (verb-transitive) To irradiate with x-rays.
- (verb-transitive) To photograph with x-rays.
- (noun) electromagnetic radiation emitted when matter is bombarded with fast electrons. X-rays have wavelengths shorter than that of ultraviolet radiation, that is less than about 1ÃÂ ÃÂÃÂ 10Ã¢ÂÂ8 metres. They extend to indefinitely short wavelengths, but below about 1ÃÂ ÃÂÃÂ 10Ã¢ÂÂ11 metres they are often called gamma radiation
- (noun) (as modifier)
- (noun) a picture produced by exposing photographic film to X-rays: used in medicine as a diagnostic aid as parts of the body, such as bones, absorb X-rays and so appear as opaque areas on the picture
- (noun) a code word for the letter x
- (verb) to photograph (part of the body, etc) using X-rays
- (verb) to treat or examine by means of X-rays
Use "x-ray" in a sentence
- "Interestingly, that included a pair of scissors, a fixed knife and a camping lighter (5cm blue flame, contains gasoline), which neither the hand screening nor the x-ray inspection found."
- "After an initial assessment, and after x-ray after x-ray, the doctors struggled to break the news."
- "This was ruled out when an x-ray of Pandorama's other hock proved identical."