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