Boat

Submarine

Submarine

The submarine is a specialized craft that can operate underwater at very high pressures, beyond the capacity of unaided human survival. First put to widespread use during the First World War, submarines are now used by all major navies, in particular the US, Russian and British navies. Civilian submarines and submersibles are used for marine and freshwater science, and for work at depths too great for human divers.

Submarines are always referred to as "boats", except in certain official documents. The term U-Boat is sometimes used in English to designate German submarines. The term comes from the German word for submarine, U-Boot, itself an abbreviation of Unterseeboot ("submarine boat").

Submarines represent one of the widest ranges of capabilities of any vessel. They range from small one- or two-man vessels that can examine the seabed for a few hours to the Russian Typhoon class, which can stay submerged for half a year and carry nuclear missiles capable of destroying several cities.

There are also specialized submarines, such as rescue submarines and tiny, one-man, human-powered submarines designed for inter-university competitions. The diving bell is an older device used for underwater exploration, recovery, construction and rescue.

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Other definitions linked to this word

Catamaran

Boat

Catamaran

What is a catamaran? Simply put, a catamaran is a boat with two hulls. The term is derived from the Tamil word kattumaram, meaning "tree trunks bound together". Far from their rudimentary beginnings, today's catamarans are generally built in fiberglass or carbon, with two hulls joined by a deck, and are designed in many sizes and for a variety of activities. Sailing catamarans have made great strides in recent decades. Small day sailing catamarans are popular because they provide a safe and simple learning platform. You'll find fleets of them in seaside resorts, where they're used by people with very little sailing experience. These small boats are generally made of roto-molded plastic or fiberglass and usually have no auxiliary engine, their only source of propulsion being the sails. Tall ships have invaded the world of long-distance cruising and bareboat charters. Almost all bareboat charter companies based in the tropics now offer more sailing catamarans than monohulls, and their numbers are also increasing in destinations such as the Mediterranean. As a rule, sailing catamarans have two engines, one in each hull, for maneuvering, as well as a mast supporting a mainsail and at least one headsail.

Yacht

Boat

Yacht

What is a yacht? This may seem a strange question, but it's actually a very pertinent one. What makes a yacht a yacht? And when does a boat become a ship? Here's what you need to know. Origin of the yacht - A Dutch "jaght A yacht is a boat used for pleasure and sport. Its name comes from the Dutch word jaght, which translates as "hunter", a fast, light sailing vessel once used by the navy to hunt pirates and other bad guys. When English King Charles II was transported by "jacht" from the Netherlands to his home country in 1660, the word quickly came to mean a vessel in which important people were transported, not just any other boat. What is a yacht? Cruisers, superyachts and mega-yachts Today, there are two types of yacht: sailing yachts and motor yachts. In terms of size, yachts tend to range from 10 meters to several hundred feet. If you own a luxury boat under 12 meters in length, it's usually a cabin cruiser, sometimes just a cruiser. A superyacht is usually over 24 meters long. What is a mega yacht? It's a boat over 50 meters long, and there's no upper limit! The world's largest yacht measures an impressive 222 meters in length.

Sailboat

Boat

Sailboat

Sailboats are propelled by sails powered by the wind. They are also called dinghies, boats and yachts, depending on their size. The use of sails on boats dates back to ancient Egypt, when the Egyptians added sails to their reed boats to sail upstream on the Nile. Sailboats were used to develop international trade routes, although this mode of propulsion has been replaced by less wind-dependent methods. Today, sailboats are used almost exclusively for leisure. Cruising and racing are popular pastimes, with many different options in each case. Sailboat racing is a seasonal weekday and weekend pastime for many people around the world, on a variety of boats - from small dinghies like the Optimist to racers/cruisers. There are also professional sailboat racing teams who take part in races of varying lengths, from daytime races "around the buoys" to solo or crewed teams who circumnavigate the globe, sometimes without stopping. Sailboat cruising is also practiced in many different ways, on a variety of sailboats and types of water (lakes, rivers, canals, coastal waters and oceans), for varying lengths of time. While most sailors are content to sail for the day or to a weekend destination, others buy a sailboat to realize a lifelong dream: sailing off into the sunset.