ballast
Significado (inglés)
-
- Heavy material that is placed in the hold of a ship (or in the gondola of a balloon), to provide stability.
- Anything that steadies emotion or the mind.
- Coarse gravel or similar material laid to form a bed for roads or railroads, or in making concrete; track ballast.
- A 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.
- device used for stabilizing current in an electric circuit (e.g. in a tube lamp supply circuit)
- That which gives, or helps to maintain, uprightness, steadiness, and security.
Frecuencia
Pronunciado como (IPA)
/ˈbæl.əst/
Etimoloxía (inglés)
From Middle English bar (“bare”) + last (“load”).
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