Subbase vs Ballast - What's the difference?
subbase | ballast |
(architecture) The lowest projecting part of a baseboard, a pedestal or a similar construct.
(mathematics) A certain subcollection of a topological space
(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.
As nouns the difference between subbase and ballast
is that subbase is (architecture) the lowest projecting part of a baseboard, a pedestal or a similar construct while ballast is .subbase
English
Noun
(en noun)See also
* ("subbase" on Wikipedia)ballast
English
Noun
(en-noun)- It [piety] is the right ballast of prosperity.