water-ballast tank
1Ballast tank — A ballast tank is a compartment within a boat or ship, that holds water. A vessel may have a single ballast tank near its center or multiple ballast tanks typically on either side. A large vessel typically will have several ballast tanks… …
2ballast tank — noun : a tank in the hold of a ship that can be pumped full of or free from water ballast * * * ballast tank, a compartment in a ship or submarine which may be filled with water or emptied by means of pumps. Ballast tanks help control the… …
3water bottom — noun 1. a. : the space between the outer and inner bottom plating in a ship used to carry water ballast b. : a similar space in a petroleum storage tank 2. : land underlying water …
4Sailing ballast — Ballast is used in sailboats to provide moment to resist the lateral forces on the sail. Insufficiently ballasted boats will tend to tip, or heel, excessively in high winds. Too much heel may result in the boat capsizing. When sailing vessels… …
5water — {{Roman}}I.{{/Roman}} noun 1 liquid ADJECTIVE ▪ boiling, chilled, cold, cool, freezing, frigid (AmE), hot, ice cold, icy, lukewarm …
6Storage tank — A storage tank is a container, usually for holding liquids, sometimes for compressed gases (gas tank). The term can be used for both reservoirs (artificial lakes and ponds), and for manufactured containers. The usage of the word tank for… …
7Saddle tank (submarine) — Saddle tanks are a type of ballast tank configuration fitted to some earlier submarines.Saddle tanks are fitted in pairs external to the pressure hull, one on each side, in a similar manner to that of a horse s saddle bags, the positioning of… …
8Saddle tank — may refer to:* a locomotive saddle tank, a water tank above the boiler * Saddle tank (submarine), an early type of ballast tank …
9trimming tank — noun : a tank either forward or aft and usually in the extreme ends utilized for changing the trim of a ship by admitting or discharging water ballast …
10Landing Ship, Tank — A Canadian LST off loads an M4 Sherman during the Allied invasion of Sicily in 1943. Landing Ship, Tank (LST) was the military designation for naval vessels created during World War II to support amphibious operations by carrying significant… …
