ballast tanks

A form of ballast tank — 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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Meanings

noun
  1. pluralplural of ballast tank
Cite this entry
APA

ballast tanks. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/ballast%20tanks

MLA

“ballast tanks.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ballast%20tanks. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “ballast tanks,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/ballast%20tanks.

Source: ballast tanks on Wiktionary, CC BY-SA 4.0.