/hep"tohd/ , n. Electronics.
a vacuum tube containing seven electrodes, usually a plate, a cathode, a control electrode, and four grids.
[ 1930-35; HEPT- + -ODE 2 ]
/hep"tohd/ , n. Electronics.
a vacuum tube containing seven electrodes, usually a plate, a cathode, a control electrode, and four grids.
[ 1930-35; HEPT- + -ODE 2 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012