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ballast tank. In DICTIOUS you will not only get to know all the dictionary meanings for the word
ballast tank, but we will also tell you about its etymology, its characteristics and you will know how to say
ballast tank in singular and plural. Everything you need to know about the word
ballast tank you have here. The definition of the word
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English
Noun
ballast tank (plural ballast tanks)
- One of several external or internal tanks fitted in submarines; when filled with seawater they allow the boat to submerge; when emptied using compressed air buoyancy is restored and the vessel rises towards the surface. Auxiliary ballast tanks within the pressure hull allow the submarine to be trimmed.
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