[aw-dee-uh n, -on]
- an early type of triode.
Origin of audion
formerly a trademark
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for audion
I want a couple of audion bulbs, and I suppose you fellows do, too.The Radio Boys at the Sending Station
It will be most convenient, however, to represent an audion as in Fig. 5.
In an audion besides the filament there are two other things.
The output of this audion was a radio-frequency current modulated by the voice.
You might ask, when you buy an audion, what is a safe rating for it.