One quadrillion Btu. (1,000,000,000,000,000 Btu)

Category:Energy Terms

(1) A nautical instrument, on the arc of which is a finely graduated scale showing degrees and minutes, with adjustable reflectors, etc.; used to find the altitude of heavenly bodies, angular distances, etc. (2) On a steering gear, the rudder quadrant is ...

Category:Sea Words

A very sensitive electrostatic electrometer for measuring small potential differences.

Category:Meteorology

Unlicensed members of the engine department who attend to a fully automated engine room.

Category:Sea Words

A category of electric power producer established under the Public Utility Regulatory Policy Act (PURPA) of 1978, that includes small-power producers (SPP) who use renewable sources of energy such as biomass, geothermal, hydroelectricity, solar (thermal a ...

Category:Energy Terms

A harbor restriction placed on a ship which has an infectious disease on board, or which has arrived from a country where such a disease is prevalent. The crew may not go ashore until the ship is granted pratique.

Category:Sea Words

Restricted or prohibited intercourse due to contagious disease.

Category:Sea Words

A restraint placed on an operation to protect the public against a health hazard. A ship may be quarantined so that it cannot leave a protected point. During the quarantine period, the Q flag is hoisted.

Category:Sea Words

That portion of a vessel's side near the stern.

Category:Sea Words

A bunk which runs under the cockpit

Category:Sea Words

Boat carried at davits on quarter of ship, and kept ready for immediate use when at sea.

Category:Sea Words

Line led forward, from quarter of a vessel, to prevent her from moving astern.

Category:Sea Words

The part of the upper deck which is abaft the mainmast, or in that general location of a ship without one. The quarterdeck was normally reserved for officers.

Category:Sea Words

A sea on the quarter (coming from a side of the stern).

Category:Sea Words

An able-bodied seamen entrusted with the steering of a vessel when entering or leaving a harbor. He is also involved with the use and upkeep of navigational equipment.

Category:Sea Words

A vessel's station bill showing duties of crew.

Category:Sea Words

An approximation to the complete equations describing atmospheric motion in which only the terms most important for the growth and decay of synoptic scale extratropical weather systems (i.e., the large areas of high and low pressure seen on weather maps) ...

Category:Meteorology

A solid wharf or structure built of stone along the edge of a harbor used for loading and offloading of cargo, and embarkation and disembarkation of passengers.

Category:Sea Words

A cargo-discharging wharf.

Category:Sea Words

A structure attached toland to which a vessel is moored. See also Pier and Dock.

Category:Sea Words