geissler-tube
n. மின்னோட்டம் கடந்து செல்லும்போது வௌளொளி பரப்பும் அழுத்தம் மிகக் குறைக்கப்பட்ட வளி நிரம்பிய குழாய்.
Geis"sler tube`. (Elec.) Defn: A glass tube provided with platinum electrodes, and containing some gas under very low tension, which becomes luminous when an electrical discharge is passed through it; -- so called from the name of a noted maker in germany. It is called also Plücker tube, from the German physicist who devised it.