Compensator

Compensator can refer to:


 * Pressure control on a piston pump
 * An alternative term for pipeline expansion joints
 * A muzzle brake, used to counter the recoil of a firearm, or to prevent the muzzle from climbing due to kickback from the rapid firing of an automatic or semi-automatic weapon
 * A device that offsets or counterbalances a destabilising factor: See
 * Buoyancy compensator (diving)
 * Buoyancy compensator (aviation)
 * Static VAR compensator
 * Heisenberg compensator, key part of a Transporter (Star Trek)
 * Lead-lag compensator
 * Motion compensator
 * Optical compensator, also known as a wave plate or a retarder
 * another term for the dual-predictable projection of a Point process
 * Compensator (Control Theory)