| 释义 |
phan·o·tron
noun
also phan·a·tron \ˈfanə.ˌträn\
(-s)
Etymology: perhaps from Greek phano- showing (from phainein to show) + English -tron — more at fancy
: a low-pressure diode filled with mercury vapor or an inert gas and used as a rectifier for radio transmitters and industrial direct current power |