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.

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

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.

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.

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