Opposite of absorption or adsorption. In filtration, it relates to the downstream release of particles previously retained by the filter.

The absolute centimeter-gram-second unit of force; that force that will impart to a free mass of one gram an acceleration of one centimeter per second per second.

An idealized process in which a working fluid (water, air, ammonia, etc) successively changes its state (from a liquid to a gas and back to a liquid) for the purpose of producing useful work or energy, or transferring energy.

A building energy auditing technique for locating areas of low insulation in a building envelope by means of a thermographic scanner.

The height of the decks, below decks.

The stock markets of countries which have a low per head income compared with the developed world.

The change in a performance characteristic caused by a change in a specified operating condition from reference operating condition, all other conditions being held within the limits of reference operating conditions.

The after section of the propeller shaft.

Abbreviation for "Electronic Data Interface." Generic term for transmission of transactional data between computer systems. EDI is typically via a batched transmission, usually conforming to consistent standards.

Offshore Supply Vessel

An item such as a nail, screw, rivet or other device used to fasten objects together.

The difference between the outgoing infrared terrestrial radiation of the earth's surface and the downcoming infrared counterradiation from the atmosphere.

The rate of heat flow required to maintain a specific indoor temperature; usually measured in Btu per hour.

a wind coming from the northeast

Wind coming from the north.

A tube with a narrow throat (a constriction) that increases the velocity and lowers the pressure of the liquid passing through it, creating a partial vacuum immediately after the constriction in the tube. The vacuum created has a sucking effect, and a ven ...

Same as wave pole.

Abbreviation for "Government Bill of Lading."

Introducing nitrogen into the surface layer of a solid ferrous alloy by holding at a suitable temperature (below Ac1 for ferritic steels) in contact with a nitrogenous material, usually ammonia or molten cyanide of appropriate composition. Quenching is no ...

A card marked in degrees and having sightings on it that is used to take bearings relative to the ship, rather than magnetic bearings as taken with a compass.