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).

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.

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.

Aug 7, 2017 · Learn what a ballast is in a light fixture, how it works, the different types available, and their importance in lighting systems. Discover insights for both residential and commercial applications.

An electrical ballast is a device placed in series with a load to limit the amount of current in an electrical circuit.

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Definition of ballast noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

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.

Aug 26, 2024 · Find out what a ballast is and why it's important in lighting. This guide explains the types of ballasts, their functions, and how they impact energy efficiency.

1. To stabilize or provide with ballast. 2. To fill (a railroad bed) with or as if with ballast.