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