heb: שפופרת ריק

Information
has URI	http://lexvo.org/id/term/heb/%D7%A9%D7%A4%D7%95%D7%A4%D7%A8%D7%AA%20%D7%A8%D7%99%D7%A7

Meaning
means	(noun) electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope electron tube, tube, thermionic tube, vacuum tube, thermionic vacuum tube, thermionic valve