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- Dictionaryballast/ˈbaləst/
noun
- 1. heavy material, such as gravel, sand, or iron, placed in the bilge of a ship to ensure its stability: "the hull had insufficient ballast"
- 2. gravel or coarse stone used to form the bed of a railway track or the substratum of a road: "a thick layer of railway ballast"
verb
- 1. give stability to (a ship) by putting a heavy substance in its bilge: "the vessel has been ballasted to give the necessary floating stability"
- 2. form (the bed of a railway line or the substratum of a road) with gravel or coarse stone: "the track was laid with rails and ballasted with earth"
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heavy matter such as sand, stone, or water that is used at the bottom of a ship or a hot-air balloon to make it heavier, or the small stones on which railways and roads are made: The weed may have been accidentally imported in soil used as ship ballast. A ship sailing with an empty hold will have filled its ballast tanks at its source port.
The meaning of BALLAST is a heavy substance (such as rocks or water) placed in such a way as to improve stability and control (as of the draft of a ship or the buoyancy of a balloon or submarine). How to use ballast in a sentence.
Ballast is dense material used as a weight to provide stability to a vehicle or structure. Ballast, other than cargo, may be placed in a vehicle, often a ship or the gondola of a balloon or airship, to provide stability. A compartment within a boat, ship, submarine, or other floating structure that holds water is called a ballast tank.
Ballast definition: any heavy material carried temporarily or permanently in a vessel to provide desired draft and stability.. See examples of BALLAST used in a sentence.
something that helps someone or something to succeed, especially by keeping them or it under control, or making them or it more serious: He needed his platoon mates around him. They were his ballast. The team is struggling because of a shortage of the ballast that senior players provide. Fewer examples.
A ballast is any heavy material that helps to make a ship or plane stable, including metaphorical ships like your mood. If you hate school, the thought of a weekend coming might be a ballast for your mood.
noun. 1. any dense heavy material, such as lead or iron pigs, used to stabilize a vessel, esp one that is not carrying cargo. 2. crushed rock, broken stone, etc, used for the foundation of a road or railway track. 3. coarse aggregate of sandy gravel, used in making concrete. 4. anything that provides stability or weight. 5. electronics.
n. 1. Heavy material that is carried to improve stability or maintain proper trim, as on a ship, or to limit buoyancy, as on a balloon. 2. a. Coarse gravel or crushed rock laid to form a bed for roads or railroads. b. The gravel ingredient of concrete. 3. Something that gives stability, especially in character.
Definition of ballast noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
ballast meaning, definition, what is ballast: heavy material that is carried by a ship...: Learn more.
