roentgen ray

roentgen ray

n.

See x-ray.

Thesaurus

Noun

1.

roentgen ray - electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target X ray, X-radiation, X-ray ionizing radiation - high-energy radiation capable of producing ionization in substances through which it passes electromagnetic radiation, electromagnetic wave, nonparticulate radiation - radiation consisting of waves of energy associated with electric and magnetic fields resulting from the acceleration of an electric charge