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Noun ballast has 5 senses
  1. ballast - any heavy material used to stabilize a ship or airship
    --1 is a kind of
    substance, matter
    Derived form: verb ballast1
  2. ballast - coarse gravel laid to form a bed for streets and railroads
    --2 is a kind of
    gravel, crushed rock
  3. ballast - an attribute that tends to give stability in character and morals; something that steadies the mind or feelings
    --3 is a kind of
  4. ballast resistor, ballast, barretter - a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)
    --4 is a kind of resistor, resistance
  5. ballast, light ballast - an electrical device for starting and regulating fluorescent and discharge lamps
    --5 is a kind of electrical device
Verb ballast has 1 sense
  1. ballast - make steady with a ballast
    --1 is one way to
    brace, steady, stabilize, stabilise
    Derived form: noun ballast1
    Sample sentences:
    Somebody ----s something
    Something ----s something
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