Definitions For Ballast

noun

• Any heavy material used to stabilize a ship or airship
• An electrical device for starting and regulating fluorescent and discharge lamps
• A resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)
• An attribute that tends to give stability in character and morals; something that steadies the mind or feelings
• Coarse gravel laid to form a bed for streets and railroads
• Heavy material (such as rocks or water) that is put on a ship to make it steady or on a balloon to control its height in the air

verb

• Make steady with a ballast