variocoupler

American  

[vair-ee-oh-kuhp-ler] / ˌvɛər i oʊˈkʌp lər /

noun

Electricity.

1. 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.

---

Etymology

Origin of variocoupler

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

Example Sentences

Potentiometer, variometer, variocoupler, radio frequency, amplification, loop a�rials, audion and grids—no, I am not saying these words to show off.

From Project Gutenberg

A better scheme is to use a loose coupler formed of two or three honeycomb or other compact coils, while a variocoupler or a variometer or two will produce the maximum regenerative action.

From Project Gutenberg

A Short Wave Regenerative Receiver—With One Variometer and Three Variable Condensers.—This set also includes a variocoupler and a grid coil.

From Project Gutenberg

The Variocoupler.—A variocoupler consists of a primary coil wound on the outside of a tube of insulating material and to certain turns of this taps are connected so that you can fix the wave length which your aerial system is to receive from the shortest wave; i.e.,

From Project Gutenberg

This is the part of the variocoupler that is called the stator.

From Project Gutenberg