English dictionary
ballast
/'b/&/l/@/st/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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any heavy material used to stabilize a ship or airship
Source: WordNet 3.0
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coarse gravel laid to form a bed for streets and railroads
Source: WordNet 3.0
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an attribute that tends to give stability in character and morals; something that steadies the mind or feelings
Source: WordNet 3.0
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a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)
Source: WordNet 3.0
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an electrical device for starting and regulating fluorescent and discharge lamps
Synonyms light ballastSource: WordNet 3.0
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Any heavy substance, as stone, iron, etc., put into the hold to sink a vessel in the water to such a depth as to prevent capsizing.
Source: webster1913
verb
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make steady with a ballast
Source: WordNet 3.0
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To steady, as a vessel, by putting heavy substances in the hold.
Source: webster1913