Meaning of ballast

Definition of ballast

(noun) any heavy material used to stabilize a ship or airship
coarse gravel laid to form a bed for streets and railroads
an attribute that tends to give stability in character and morals; something that steadies the mind or feelings
a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)
an electrical device for starting and regulating fluorescent and discharge lamps
(verb) make steady with a ballast

Other information on ballast

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