heptode
/hep-tohd/US // ˈhɛp toʊd //
庚子,庚寅年,庚辰,庚子年
Definitions
n.名词 noun
- 1
Electronics.
- : a vacuum tube containing seven electrodes, usually a plate, a cathode, a control electrode, and four grids.
Level 2Browse all words →
庚子,庚寅年,庚辰,庚子年
Electronics.