light valve
nounElectricity.
a light-transmitting device having transmissions that vary in accordance with an electric input, as voltage, current, or an electron beam, used chiefly for recording sound on motion-picture film.
Origin of light valve
1First recorded in 1925–30
Words Nearby light valve
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use light valve in a sentence
It will be noticed that a light valve-spring is shown in drawing.
Aviation Engines | Victor Wilfred Pag
Browse