A free and mobile conduction electron or hole in a semiconductor.

The directors are a company's most senior managers and are elected to run the company by.

Crest is an electronic system of settlement for the equities market in the UK and Ireland which.

See electrical resistivity.

A method of moving a boat with oars. The person rowing the boat faces backwards, bringing the blade of the oars out of the water and toward the bow of the boat. They then pull the oars through the water toward the stern of the boat, moving the boat forwar ...

(1) Small boat for one or two rowers. (2) Small fishing vessel with foresail, boom mainsail, and mizzen trysail.

The escape of water molecules from a liquid to the gas phase at the surface of a body of water.2. The conversion of a liquid to a vapor (gas), usually by means of heat.

Energy derived from resources that are regenerative or for all practical purposes can not be depleted. Types of renewable energy resources include moving water (hydro, tidal and wave power), thermal gradients in ocean water, biomass, geothermal energy, so ...

A thermometer, invented by James Six in 1782, which simultaneously indicates the maximum and minimum temperatures attained during a given interval of time. A U-tube min/max thermometer

The act of the U.S. Congress (1916) that created the U.S. Shipping Board to develop water transportation, operate the merchant ships owned by the government, and regulate the water carriers engaged in commerce under the flag of the United States. As of Ju ...

The difference in depth between high and low tide.

A device or material with a high resistance to electricity flow.

The ratio of power produced by a wind energy conversion device to the power in a reference area of the free windstream.

A compartment where the crew lives.

A building that is elongated in the east-west direction, with the majority of the windows on the south side. The area of the windows is generally limited to about 7% of the total floor area. A sun-tempered design has no added thermal mass beyond what is a ...

Metal or plastic pieces attached to a sail's luff that slide in a mast track to allow easy hoisting of the sail.

Corrosive attack that progresses preferentially along interdendritic paths. This type of attack results from local differences in composition, such as coring commonly encountered in alloy castings.

Same as geostrophic wind level.

The mean difference between the readings of a given instrument and those of a standard instrument.

Charge made for local hauling by dray or truck. Same as Cartage.