A short period at the turn of the tide. The time between flood and ebb tides when there is no current flow.

Iron or steel straps fastened diagonally across a ship's frames to make a rigid framework.

A navigational instrument used to measure the altitude of celestial bodies

A photovoltaic device where incident sunlight is split into different spectral regions, with an optical apparatus, that are directed to individual photovoltaic cells that are optimized for converting that spectrum to electricity.

In a dynamic compressor, surge limit is the capacity below which the compressor operation becomes unstable.

A single complete operation consisting of progressive phases starting and ending at the neutral position.

A company or public sector entity which has shares, bonds or other security listed on a stock.

See photometer.

A hygrometer in which the rotation of the hygrometric element is a function of humidity.

Course Over Ground

The flow rate in these systems is 1/8 to 1/5 the rate of most solar water heating systems. The low-flow systems take advantage of stratification in the storage tank and theoretically allows for the use of smaller diameter piping to and from the collector ...

The point at which a price breaks out either above or below a stable established range or trendline..

Assets which are non physical in form, that is, which cannot be seen. Examples are patents,.

The total amount of water transferred to the atmosphere by evapotranspiration.

Winds which, over a small area, differ from those which would be appropriate to the general pressure distribution.

A measurement applied to filters or filter media to indicate the particle size at which suspended solids above that size will be removed.

A light control device that allows light levels to be manually adjusted. A dimmer can save energy by reducing the amount of power delivered to the light while consuming very little themselves.

See hydrogenembriltlement.

A line of equal or constant temperature.

Spaces in which the continuous or prolonged presence of seafarers is necessary for normal operational periods.