amplidyne
/ˈæmplɪdaɪn/
noun
- A type of electrical amplifier that uses a rotating machine to amplify small signals into larger power outputs, used in control systems.
- The amplidyne was used in the factory to control the speed of large motors.
- Engineers replaced the old amplidyne with a modern solid-state amplifier.
- The ship's steering system relied on an amplidyne for precise control.