A region of transition between semiconductor layers, such as a p/n junction, which goes from a region that has a high concentration of acceptors (p-type) to one that has a high concentration of donors (n-type).

Panamax Plus are all Panamax ships authorised for fresh water draft greater than 12.04m up to 15.2m and approved for transit in the new locks.

United States Dollar

The power conduit of an electric power plant; the starting point of the electric transmission system.

A linear imperfection in a crystalline array of atoms. Two basic types are recognized: (1) an edge dislocation corresponds to the row of mismatched atoms along the edge formed by an extra, partial plane of atoms within the body of a crystal; (2) a screw d ...

An electrode widely used as a reference electrode of known potential in electrometric measurement of acidity and alkalinity, corrosion studies, voltammetry, and measurement of the potentials of other electrodes. See also electrode potential, reference ele ...

Unearned Passenger Revenue

Institute of London Underwriters

A component of a electrochemical battery. A 'primary' cell consists of two dissimilar elements, known as 'electrodes,' immersed in a liquid or paste known as the 'electrolyte.' A direct current of 1-1.5 volts will be produced by this cell. A 'secondary' c ...

A term used on the London Stock Exchange to describe a share purchase or sale. The term does not.

A thin coating of a material applied to a photovoltaic cell surface that reduces the light reflection and increases light transmission.

International Code of Signals

Virgin Islands, British

A unit of measure for an electrical current; the amount of current that flows in a circuit at an electromotive force of one Volt and at a resistance of one Ohm. Abbreviated as amp.

Away from the direction of the wind. Opposite of windward.

Free Discharge

Holding oars at right angles to fore and aft line of boat with blades horizontal and parallel to surface of water.

A term used by the London Stock Exchange to denote that certain conditions were agreed between the.

A type of disk hardness-gauge, especially useful in relatively soft snow. See disk hardness gauge.

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