cathode (C) /kath″ōd/ [Gk, kata, down, hodos, way] , 1. the electrode at which reduction occurs. 2. the negative side of the x-ray tube, which consists of the focusing cup and the filament.
cathode (C) /kath″ōd/ [Gk, kata, down, hodos, way] , 1. the electrode at which reduction occurs. 2. the negative side of the x-ray tube, which consists of the focusing cup and the filament.