variocoupler

[vair-ee-oh-kuhp-ler]

noun Electricity.

a transformer having coils with a self-impedance that is essentially constant but a mutual impedance that can be varied by moving one coil with respect to the other.

Origin of variocoupler

First recorded in 1920–25; vari(able) + -o- + coupler

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for variocoupler

Historical Examples of variocoupler

The rotor of a variometer or variocoupler is a rotating coil.
The Radio Amateur's Hand Book
A. Frederick Collins
This is the part of the variocoupler that is called the stator.
The Radio Amateur's Hand Book
A. Frederick Collins
Now connect one end of the secondary coil, or rotor, of the variocoupler with one post of the .0005 mfd.
The Radio Amateur's Hand Book
A. Frederick Collins
Don't fail to put a copper shield between the variometer and the variocoupler.
The Radio Amateur's Hand Book
A. Frederick Collins
A diagram of a variocoupler is shown at A in Fig. 53, and the coupler itself at B.
The Radio Amateur's Hand Book
A. Frederick Collins