ballast

/bˈælʌst/

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Definitions

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