Definiciones
1.NounHeavy material that is placed in the hold of a ship (or in the gondola of a balloon), to provide stability.
2.NounAnything that steadies emotion or the mind.
3.NounCoarse gravel or similar material laid to form a bed for roads or railroads, or in making concrete; track ballast.
4.NounA material, such as aggregate or precast concrete pavers, which employs its mass and the force of gravity to hold single-ply roof membranes in place.
Loose stone or big gravel used to hold rails and tracks in place.
5.NounLoose stone or big gravel used to hold rails and tracks in place.
6.Noundevice used for stabilizing current in an electric circuit (e.g. in a tube lamp supply circuit)
7.NounThat which gives, or helps to maintain, uprightness, steadiness, and security.
8.VerbTo stabilize or load a ship with ballast.
9.VerbTo lay ballast on the bed of a railroad track.
10.VerbTo weigh down with a ballast.