1. Regulator consisting of a heavy wheel that stores kinetic energy and smooths the operation of a reciprocating engine
   "The flywheel helped maintain consistent engine speed in the old machine"
    
2. A process or system that becomes increasingly self-sustaining as initial success creates conditions for further success
   "Their content strategy acted as a flywheel, where each post brought new subscribers who shared with others"

Derived forms: flywheels

Type of: governor, regulator

Encyclopedia: Flywheel, Shyster and Flywheel