Physics.
the dark region between the negative glow and the positive column in a vacuum tube occurring when the pressure is low.
[ 1890-95; named after M. FARADAY ]
Physics.
the dark region between the negative glow and the positive column in a vacuum tube occurring when the pressure is low.
[ 1890-95; named after M. FARADAY ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012