English noun: ballast |
1. | ballast (artifact) any heavy material used to stabilize a ship or airship |
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| Broader (hypernym) | material, stuff |
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2. | ballast (substance) coarse gravel laid to form a bed for streets and railroads |
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| Broader (hypernym) | crushed rock, gravel |
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3. | ballast (attribute) an attribute that tends to give stability in character and morals; something that steadies the mind or feelings |
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| Broader (hypernym) | attribute |
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4. | ballast (artifact) a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations) |
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| Synonyms | ballast resistor, barretter |
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| Broader (hypernym) | resistance, resistor |
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5. | ballast (artifact) an electrical device for starting and regulating fluorescent and discharge lamps |
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| Synonyms | light ballast |
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| Broader (hypernym) | electrical device |
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