The difference between the actual electrode potential when appreciable electrolysis begins and the reversible electrode potential.

A holding pond for livestock manure that is designed to anaerobically stabilize manure, and may be designed to capture biogas, with the use of an impermeable, floating cover.

An electrical depth sounder or fish finder that uses sound echoes to locate the depth of objects in water. It does so by timing the sound pulses.

Cycloidal Propeller

A substance that produces depolarization.

An annual publication that contains tidal information and information about the position of the sun, moon, planets and stars. This information is used for celestial navigation.

Abbreviation for "Not Elsewhere Specified."

To bring to a sudden stop.

To heat a gaseous mixture to the temperature at which combustion takes place.

A type of cloud height indicator which uses a searchlight to project vertically a narrow beam of light onto the cloud base. The height of the cloud is determined using a clinometer, located at a known distance from the ceiling light, to measure the angle ...

A solar thermal collector that has an absorber that does not have a glazed covering. Solar swimming pool heater systems usually use unglazed collectors because they circulate relatively large volumes of water through the collector and capture nearly 80 pe ...

See feed.

A network of checks or cracks appearing on the surface.

A metallic structure on which a compressor or other machine is mounted.

An option which can be exercised at any time until expiry (unlike European style options which can.

An accelerated corrosion test for some electrodeposits for anodic coatings on aluminum.

Thermometer used for measuring the highest temperature attained during a given interval of time, for example, a day.

Turbines in which the rotor speed increases and decreases with changing wind speed, producing electricity with a variable frequency.

An architectural design (also known as the double envelope house), sometimes called a "house-within-a-house," that employs a double envelope with a continuous airspace of at least 6 to 12 inches on the north wall, south wall, roof, and floor, achieved by ...

Refrigeration