Physics.
a cathode ray tube, used for x-ray production, in which a beam of thermoelectrons is produced by heating a wire cathode.
[ 1910-15, Amer.; named after William D. Coolidge (1873-1975), U.S. physicist and chemist who devised it ]
Physics.
a cathode ray tube, used for x-ray production, in which a beam of thermoelectrons is produced by heating a wire cathode.
[ 1910-15, Amer.; named after William D. Coolidge (1873-1975), U.S. physicist and chemist who devised it ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012