"roentgen ray"@en-us . . . "111527177"^^ . . "X ray"^^ . . "electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target"@en-us . "0"^^ . . . "X ray"@en-us . . "11527177-n"^^ . . . . "X-radiation"@en-us . "110784530"@en-us . . . "107849832"@en-us . . . . "0"^^ . . . "X-ray"@en-us . . . . . .