A type of heating appliance that extracts so much of the available heat content from a combusted fuel that the moisture in the combustion gases condenses before it leaves the furnace. Also this furnace circulates a liquid to cool the furnace's heat exchan ...

The physical measure of the subjective sensation of brightness; measured in lumens.

An instrument for measuring relative humidity by means of wet and dry-bulb temperatures.

The maximum rate at which an engine can do work as measured by the resistance of an applied brake. Expressed in horsepower.

Vibration isolation mount. Provides reductions in vibration transmission.

The process of assimilating many small shipments into one large shipment at a central point so that economies of scale may be achieved; to commence discharge of cargo.

See hydrogen embrittlement.

An instrument for measuring the ultraviolet in solar and sky radiation.

A buoyant balloon rising freely in the atmosphere, as opposed to a captive balloon.

A device that allows a terminal or computer at one location to communicate with a terminal or computer at a distant location via wire or phone lines.

An elongated area of relatively low atmospheric pressure. Usually associated with and most clearly identified as an area of maximum cyclonic curvature of the wind flow. The opposite of a ridge.

On older sailing ships, a heavy piece of curved timber projecting from the bow for the purpose of holding anchors in position for letting go or for securing them after weighing.

Corrosion that proceeds laterally from the sites of initiation along planes parallel to the surface, generally at grain boundaries, forming corrosion products that force metal away from the body of the material, giving rise to a layered appearance.

The intensity of the internally distributed forces or components of forces that resist a change in the volume or shape of a material that is or has been subjected to external forces. Stress is expressed in force per unit area and is calculated on the basi ...

An air-launched balloon designed to be released in the eye of a tropical cyclone, float within the eye at predetermined levels, and transmit radio signals for RDF positioning.

A course steered by the compass that has been corrected for variation and deviation

A multihulled boat with three hulls.

The average time a minority carrier exists before recombination.

An electrical installation containing power conversion (and sometimes generation) equipment, such as transformers, compensators, and circuit breakers.

A stated amount over a fixed rate to one point to make a rate to another point.