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 …

5 days ago · Railway ballast is the layer of crushed stone that sits beneath and around railroad ties, forming the foundation that holds the track in place. That bed of angular rock, typically 6 to 8 inches …

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 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.

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

Ballast is any substance that is used in ships or hot-air balloons to make them heavier and more stable. Ballast usually consists of water, sand, or iron.

Ballast refers to material that is used to provide stability to a system, counteracting forces that may create instability. It serves as a foundational component, ensuring that structures do not sway or tip …

Also called ballast resistor. a device, often a resistor, that maintains the current in a circuit at a constant value by varying its resistance in order to counteract changes in voltage.