放ほう電でん管かん

noun

discharge tube

Technical term in physics and electrical engineering for a tube in which an electric discharge takes place through a gas or vapor.

• 放ほう電でん管かんは、ガス中ちゅうでの放ほう電でん現げん象しょうを利り用ようした電でん子し管かんの一いっ種しゅです。

  A discharge tube is a type of electron tube that utilizes the discharge phenomenon in a gas.