stabilizer

One that makes or keeps something stable.

A device, such as a gyroscopically controlled fin, that prevents excessive rolling of a ship in heavy seas.

An airfoil that stabilizes an aircraft or missile in flight.

A substance that renders or maintains a solution, mixture, suspension, or state resistant to chemical change.

Agent noun of stabilize; any person or thing which brings stability.

Any substance added to something in order to stabilize it.

A gyroscopically controlled fin or similar device that prevents the excess rolling of a ship in rough seas.

An airfoil that stabilizes the flight of an aircraft or missile.

A piece of backing fabric used in embroidery.

training wheels on a child’s bicycle.