Deterioration of metals as a result of the metabolic activity of microorganisms.

A lighted or unlighted fixed (non-floating) aid to navigation that serves as a signal or indication for guidance or warning. (Lights and daybeacons both constitute "beacons.")

A device used to control temperatures; used to control the operation of heating and cooling devices by turning the device on or off when a specified temperature is reached.

First Refusal. First attempt at best offer that can be matched

Sir Napier Shaw's name for the approximate absolute temperature scale,

A measure of the acidity or alkalinity of a solution; The negative logarithm of the hydrogen-ion activity; it denotes the degree of acidity or basicity of a solution. At 25

A corporate restructuring in which one part of a company is spun off as a new company, often.

Corrosion which is increased because of the abrasive action of a moving stream; the presence of suspended particles greatly accelerates abrasive action.See erosion-corrosion.

The trapping of light inside a semiconductor material by refracting and reflecting the light at critical angles; trapped light will travel further in the material, greatly increasing the probability of absorption and hence of producing charge carriers.

An inspection cover or port in an air receiver tank.

Any twelve-month period, usually selected to begin and end during a relative dry season. Used a basis for processing streamflow and other hydrologic data. The period from October 1 to September 30 is widely used in the U.S.

The energy developed through the use of heat energy.

The purchase of a put with a high strike price against the sale of a put with a lower strike price.

Recapitulation of the terms and conditions agreed

Same as marine rainbow.

A term used to describe the hot gas pressure on the outlet side of the refrigeration compression.

The force that pulls a wind turbine blade, as opposed to drag.

The arithmetic wind speed over a specified time period and height above the ground (the majority of U.S. National Weather Service anemometers are at 20 feet (6.1 meters).

Thames Oil Spill Cleaning Association

Extended Binary Coded Decimal Interchange Code. A standard code used to represent data using 8 bits per character.