Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Noun: ballast  ba-lust
  1. Any heavy material used to stabilize a ship or airship
     
  2. Coarse gravel laid to form a bed for streets and railroads
     
  3. An attribute that tends to give stability in character and morals; something that steadies the mind or feelings
     
  4. A resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)
    - ballast resistor, barretter
     
  5. An electrical device for starting and regulating fluorescent and discharge lamps
    - light ballast
Verb: ballast  ba-lust
  1. Make steady with a ballast

Derived forms: ballasting, ballasted, ballasts

Type of: attribute, brace, crushed rock, electrical device, gravel, material, resistance, resistor, stabilise [Brit], stabilize, steady, stuff

Encyclopedia: Ballast, Coevorden