Half of a sphere. On the globe hemispheres are used to describe the halves of the earth north or south of the equator.

Cloths hung on the lee side of a berth to keep one from rolling out of their bunk

System consisting of one or more metals and all parts of the environment that influence corrosion.

In the US, a federal tax levied on gifted property, money or securities. The tax is payable by the.

Drag Suction Hopper Dredger.

A salt, sodium sulfate decahydrate, that melts at 90 degrees Fahrenheit; a component of eutetic salts that can be used for storing heat.

Materials with various qualities that are applied to glass windows before installation. These coatings reduce radiant heat transfer through the window and also reflects outside heat and a portion of the incoming solar energy, thus reducing heat gain. The ...

An electrical inverter that inverts direct current electricity to alternating current electricity, and that uses another alternating current source, such as an electric power transmission and distribution network (grid), for voltage and frequency referenc ...

A device consisting of two dissimilar conductors with their ends connected together. When the two junctions are at different temperatures, a small voltage is generated.

A manmade waterway used to connect bodies of water that do not connect naturally. Canals use locks to raise and lower boats when connecting bodies of water that have different water levels.

An opening in a ship's side, provided with a glazed lid or cover for the admission of light.

Fidenavis S.A. (Spanish Class Society)

Passenger User Fee

Said of anchor when it is under ship's forefoot, and cable is nearly up and down.

Sailing vessel with three or more masts. Square rigged on foremast, fore and aft rigged on all others.

An absolute temperature scale with the degree of the Fahrenheit scale and the zero point of the Kelvin scale. The freezing point of water equals 491.69

A short piece of rope secured in the bow of a small boat used for making her fast.

The thermodynamic cycle that is an ideal standard for comparing performance of heat-engines, steam power plants, steam turbines, and heat pump systems that use a condensable vapor as the working fluid; efficiency is measured as work done divided by sensib ...

A wind coming from the east.

A group of wind turbines interconnected to a common utility system through a system of transformers, distribution lines, and (usually) one substation. Operation, control, and maintenance functions are often centralized through a network of computerized mo ...