ballast


Definition: Meaning of, ballast in English to English dictionary.

Pronunciation: / ˈbaləst /

  • noun
  • synonym
  • antonym
Word Forms:
Singular Plural
N/A N/A
[uncountable]
  1. heavy material that is carried by a ship to make it more steady in the water
    SYNONYM
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    ANTONYM
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  2. material such as sand that is carried in a BALLOON so that it can be thrown out to make it rise
    SYNONYM
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    ANTONYM
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  3. a layer of broken stones that a road or railway line is built on
    SYNONYM
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    ANTONYM
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synonym
antonym

ballast used in phrases

  • ballast resistor (noun)
    1. as those arising from temperature fluctuations a resistor inserted into a circuit to compensate for changes
  • light ballast (noun)
    1. an electrical device for starting and regulating fluorescent and discharge lamps
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