Definition of Ballast
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(a.) Any heavy substance, as stone, iron, etc., put into the hold to sink a vessel in the water to such a depth as to prevent capsizing.
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(a.) Any heavy matter put into the car of a balloon to give it steadiness.
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(a.) Gravel, broken stone, etc., laid in the bed of a railroad to make it firm and solid.
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(a.) The larger solids, as broken stone or gravel, used in making concrete.
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(a.) Fig.: That which gives, or helps to maintain, uprightness, steadiness, and security.
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(v. t.) To steady, as a vessel, by putting heavy substances in the hold.
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(v. t.) To fill in, as the bed of a railroad, with gravel, stone, etc., in order to make it firm and solid.
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(v. t.) To keep steady; to steady, morally.
Antonyms of Ballast
No Antonyms Found.
Homophones of Ballast
No Homophones Found.