热阴极的英文：
incandescent cathode
heated cathode
hot cathode

incandescent是什么意思：
a. 白热的,发白热光的,辉耀的,灿烂的

fitting for outdoor fluorescent or incandescent lighting
室外荧光灯或白炽灯附件

A fine wire heated electrically to incandescence in an electric lamp.
灯丝在电灯中电加时成白炽状态的细金属丝

He began to study the attempts of other men to invent an incandescent electric light
他开始研究别人为发明

cathode是什么意思：
n. （电池等的）阴极，负极

The measuring cell consists of an insulated silver cathode
测量电池是由绝缘的银阴极组成的。

The phosphorescent coating on the inside of the screen of a cathode - ray tube.
磷光质涂层在阴极射线管的屏幕内部上的磷光质涂层

Rontgen was certain that the fluorescent effect was not due to cathode rays.
伦琴确信，荧光效应不是起因于阴极射线。

heated是什么意思：
adj. 热烈的，激昂的；热的，加热的；发怒的，激动的
v. heat的过去式和过去分词；加热

incomplete heat
不完全发情

heating installation
暖气设备|供暖装置

at a white heat
在盛怒之下|在感情万分激动之下