Meaning of the word ballast in English

What does ballast mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

ballast

US /ˈbæl.əst/
UK /ˈbæl.əst/

Noun

1.

heavy material, such as gravel, sand, or iron, placed in the hold of a ship or the gondola of a hot-air balloon, to improve stability

Example:
The ship needed more ballast to remain stable in the rough seas.
Hot-air balloons use sandbags as ballast to control altitude.
2.

something that gives stability or substance

Example:
His calm demeanor served as a much-needed emotional ballast during the crisis.
The traditions of the community provided a moral ballast for its members.

Verb

to give stability to (a ship) by loading it with ballast

Example:
They had to ballast the ship before setting sail.
The submarine was ballasted with water to submerge.