- an early type of triode.
Origin of audion
Examples from the Web for audion
Historical Examples of audion
I want a couple of audion bulbs, and I suppose you fellows do, too.The Radio Boys at the Sending Station
In an audion besides the filament there are two other things.
It will be most convenient, however, to represent an audion as in Fig. 5.
That is what the audion does in the transmitting set of a radio telephone.
The output of this audion was a radio-frequency current modulated by the voice.