/beem"pow'euhr/ , Radio.
a vacuum tube in which the stream of electrons flowing to the plate is focused by the action of a set of auxiliary, charged elements, giving an increase in output power.
/beem"pow'euhr/ , Radio.
a vacuum tube in which the stream of electrons flowing to the plate is focused by the action of a set of auxiliary, charged elements, giving an increase in output power.
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012