/trav"euh ling wayv", trav"ling-/ , Electronics.
an electron tube used in microwave communications systems, having an electron beam directed coaxially through a wire helix to produce amplification.
/trav"euh ling wayv", trav"ling-/ , Electronics.
an electron tube used in microwave communications systems, having an electron beam directed coaxially through a wire helix to produce amplification.
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012