an electronic tube for producing x-rays, essentially a cathode-ray tube in which a metal target is bombarded with high-energy electrons.
[ 1905-10 ]
an electronic tube for producing x-rays, essentially a cathode-ray tube in which a metal target is bombarded with high-energy electrons.
[ 1905-10 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012