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Definitions of ballast
  1. noun
    a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)
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  2. noun
    an electrical device for starting and regulating fluorescent and discharge lamps

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  3. noun
    an attribute that tends to give stability in character and morals; something that steadies the mind or feelings
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  4. noun
    any heavy material used to stabilize a ship or airship
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  5. noun
    coarse gravel laid to form a bed for streets and railroads
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  6. verb
    make steady with a ballast
Definition that contains ballast
  • ballast make steady with a ballast
  • sandbag a bag filled with sand; used as a weapon or to build walls or as ballast
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