A two-masted vessel with both masts square rigged. On the sternmost mast, the main mast, there is also a gaff sail

One horsepower provided over one hour; equal to 0.745 kilowatt-hour or 2,545 Btu.

A method of controlling a wind turbine's speed by varying the orientation, or pitch, of the blades, and thereby altering its aerodynamics and efficiency.

See: 'bond.

When an option holder takes up his option to buy or sell the underlying instrument (for example.

By international agreement, a period during which greatly increased observation of world-wide geophysical phenomena is undertaken through the co-operative effort of participating nations. July 1957-December 1958 was the first such year. However, precedent ...

A rotating device, with two or more blades, that acts as a screw in propelling a vessel. Sometimes called a screw.

A term for the process of transmitting electricity over transmission lines not owned by the supplier of the electricity to a retail customer of the supplier. With retail wheeling, an electricity consumer can secure their own supply of electricity from a b ...

A passage for surplus water to flow over or around a dam.

Taxation of corporate earnings and subsequently taxation of.

The process that companies, or more particularly their lawyers and accountants, carry out when one.

An accounting term which refers to the amount of income a company receives in the form of interest.

A line drawn through geographical points having the same duration of sunshine (or other function of solar radiation) during a given interval of time.

Sailor's term for being about to get married, a splice being used to join two ropes together.

The left side of the ship.

A seaman's personal "painter" is his lifeline, and if it is severed, he dies.

To trim the sheets in.

To change a boat's direction, bringing the bow through the eye of the wind.

Turning off or disconnecting loads to limit peak demand.

Maximum pressure a vessel, or air filter housing will withstand without bursting.