Physics.
the luminous region between the Crookes dark space and the Faraday dark space in a vacuum tube, occurring when the pressure is low.
[ 1885-90 ]
Physics.
the luminous region between the Crookes dark space and the Faraday dark space in a vacuum tube, occurring when the pressure is low.
[ 1885-90 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012