(nautical, of a ship) Having only ballast and no cargo as load.

simple past tense and past participle of ballast

That which is used for steadying anything; ballast / The application of ballast to a railway line / The addition of ballast to a ship

Third-person singular simple present indicative form of ballast

present participle of ballast

(nautical) Heavy material that is placed in the hold of a ship (or in the gondola of a balloon), to provide stability. / (figuratively) Anything that steadies emotion or the mind.

To stabilize or load a ship with ballast. / To lay ballast on the bed of a railroad track. / To weigh down with a ballast.

plural of ballasting

(nautical) In ballast.

One of several external or internal tanks fitted in submarines; when filled with seawater they allow the boat to submerge; when emptied using compressed air buoyancy is restored and the vessel rises towards the surface. Auxiliary ballast tanks within the pressure hull allow the submarine to be trimmed.