X ray

Xray

communications code word

Array

x-ray

verb

{bc}to examine, treat, or photograph with X-rays

X-ray

noun

{bc}any of the electromagnetic radiations that have an extremely short wavelength of less than 100 angstroms and have the properties of penetrating various thicknesses of all solids, of producing secondary radiations by impinging on material bodies, and of acting on photographic films and plates as light does

X-ray astronomy

noun

{bc}astronomy dealing with investigations of celestial bodies by means of the X-rays they emit

X-ray diffraction

noun

{bc}a scattering of X-rays by the atoms of a crystal that produces an interference effect so that the diffraction pattern gives information on the structure of the crystal or the identity of a crystalline substance

X-ray star

noun

{bc}a luminous celestial object emitting a major portion of its radiation in the form of X-rays

X-ray therapy

noun

{bc}medical treatment (as of cancer) by controlled application of X-rays

X-ray tube

noun

{bc}a vacuum tube in which a concentrated stream of electrons strikes a metal target and produces X-rays

du*al-en*er*gy X-ray absorptiometry

noun

{bc}{d_link|absorptiometry|absorptiometry} in which the density or mass of a material (such as bone) is measured by comparing the materialu0027s absorption of {d_link|X-rays|X-ray} of two different energies and which is used especially for determining the mineral content of bone