is the energy a substance possesses because of its elevation above the earth (or above some other chosen datum plane). .

Same as evaporative power.

The amount of moisture which, if available, would be removed from a given land area by evapotranspiration. Expressed in units of water depth.

Temperature assumed by an unsaturated air parcel when brought adiabatically to a standard pressure (1,000 mb).

See Pourbaix (potential-pH) diagram.

Those levels at and above which persons exposed to them without protection are at risk of sustaining a noise induced hearing loss.

The technique for varying the potential of an electrode in a continuous manner at a preset rate.

An instrument for measuring differences in electric potential.

An instrument for automatically maintaining an electrode in an electrolyte at a constant potential or controlled potentials with respect to a suitable reference electrode.

The technique for maintaining a constant electrode potential.

A device, similar to a phytometer, for measuring transpiration. It consists of a small vessel containing water and sealed so that the only escape of moisture is by transpiration from a leaf, twig, or small plant with its cut end inserted in the water.

A term used in the automotive industry to describe the corrosion of vehicle body parts due to the collection of road salts and debris on ledges and in pockets that are kept moist by weather and washing. Also called deposit corrosion or attack.

One pound of water in vapor phase; is NOT steam pressure, which is expressed as pounds per square inch (psi).

A unit of pressure [hydraulic (liquid) or pneumatic (gas)] that does not include atmospheric pressure.

PSI - Pounds per square inch.

Is the temperature at which oil begins to flow under prescribed conditions.

A plot of the redox potential of a corroding system versus the pH of the system, compiled using thermodynamic data and the Nernst equation. The diagram shows regions within which the metal itself or some of its compounds are stable.

Heavy-weather practice of pouring oil on the sea so as to form a film on the surface, thus preventing the seas from breaking. To smooth out some difficulty.

The art of producing metal powders and utilizing metal powders for production of' massive materials and shaped objects.

Energy that is capable or available for doing work; the time rate at which work is performed, measured in horsepower, Watts, or Btu per hour. Electric power is the product of electric current and electromotive force.