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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.
In general, ballast means something that provides stability or weight. In a specific sense, it’s most commonly used to refer to heavy material used to stabilize a vessel, such as a ship, especially when it’s not carrying cargo.
BALLAST definition: 1. heavy matter such as sand, stone, or water that is used at the bottom of a ship or a hot-air…. Learn more.
An electrical ballast is a device that limits the current through an electrical load. These are most often used when a load (such as an arc discharge) has its terminal voltage decline when current through the load increases.
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 .
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.
electrical ballast phys. A device that provides starting voltage and also limits current during normal operation in electrical discharge lamps such as fluorescent lamps.
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. Ballast comes from old ship terminology for cargo.
a layer of stones that makes a strong base on which a road, railway, etc. can be built. Definition of ballast noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Britannica Dictionary definition of BALLAST. [noncount] : heavy material (such as rocks or water) that is put on a ship to make it steady or on a balloon to control its height in the air — often used figuratively.
