water-ballast main
1water ballast — noun : water in specially constructed compartments (as of a ship or balloon) to serve as ballast * * * water ballast noun 1. Water carried by a ship to balance or redress the change of draught due to consumption of fuel or provisions or discharge …
2ballast — [ balast ] n. m. • 1375 « lest »; mot scand., par le moy. bas all. 1 ♦ (1840; empr. à l angl.) Pierres concassées que l on tasse sous les traverses d une voie ferrée. Carrière à ballast (ou BALLASTIÈRE n. f. ). 2 ♦ (1943) Mar. Réservoir de… …
3Ballast 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… …
4Kingston valve — A Kingston valve is a type of valve fitted in the bottom of a ship s fuel, water and ballast tanks. Named after its inventor John Kingston (1786 1847)an English engineer. [ Building the Steam Navy: Dockyards, Technology and the Creation of the… …
5Oil tanker — Supertanker redirects here. For the aerial firefighting aircraft, see Evergreen 747 Supertanker. The commercial oil tanker AbQaiq, in ballast Class overview Name …
6Ship — A ship IPA|/ʃɪp/ audio|en us ship.ogg|Audio (US) is a large vessel that floats on water. Ships are generally distinguished from boats based on size. Ships may be found on lakes, seas, and rivers and they allow for a variety of activities, such as …
7submarine — n. /sub meuh reen , sub meuh reen /; adj., v. /sub meuh reen /, n., adj., v., submarined, submarining. n. 1. a vessel that can be submerged and navigated under water, usually built for warfare and armed with torpedoes or guided missiles. 2.… …
8Vent (submarine) — A vent is a valve fitted to the top of a submarine s ballast tanks for the purposes of allowing the escape of air.The vent allows air contained in the tank to escape from the top of the ballast tank and be replaced by water entering through the… …
9Bulk carrier — The Sabrina I is a modern Handymax bulk carrier. Class overview Name: Freighter Subclasses …
10Gliding competitions — Some of the pilots in the sport of gliding take part in gliding competitions. These are usually racing competitions, but there are also aerobatic contests and cross country distance competitions. Many other pilots enjoy flying cross country just… …
