Ballast - What does it mean?
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.
Coarse gravel or similar material laid to form a bed for roads or railroads, or in making concrete.
(construction) 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.
(countable, electronics) device used for stabilizing current in an electric circuit (e.g.in a tube lamp supply circuit)
(figurative) That which gives, or helps to maintain, uprightness, steadiness, and security.
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File:Hsin-chu-1.jpg, Ballast provides a supporting bed for rail tracks
File:Magnetic Ballasts 1.jpg, Several typical styles of magnetic ballasts for fluorescent lamps
To stabilize or load a ship with ballast.
To lay ballast on the bed of a railroad track.
The difference between ballast and is:
ballast
English
Noun
(en-noun)- It [piety] is the right ballast of prosperity.