Century Dictionary and Cyclopedia
- n. In ship-building, a tank formed by partitions or bulkheads cutting off a part of the hold and specially constructed to hold water ballast. See ballast-tank. A midship deep-tank is in the middle of the length; the forepeak and afterpeak tanks, or trimming tanks, are at the ends of the vessel.
“Initially, semi-solid fermentation was used but this has largely been abandoned and replaced by deep-tank liquid fermentation.”
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