( US thermionic tube )
■ noun Electronics a vacuum tube giving a flow of thermionic electrons in one direction, used especially in the rectification of a current and in radio reception.
( US thermionic tube )
■ noun Electronics a vacuum tube giving a flow of thermionic electrons in one direction, used especially in the rectification of a current and in radio reception.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004