Electrochemical system consisting of an anode and a cathode immersed in an electrolyte. The anode and cathode may be separate metals or dissimilar areas on the same metal. The cell includes the external circuit, which permits the flow of electrons from th ...

Type Rating Certificate

A general term for instruments designed to measure the amount of cloudiness.

An atmometer consisting of a porous porcelain or ceramic container connected to a calibrated reservoir filled with distilled water. Evaporation is determined by the depletion of water in the reservoir.

Same as contact anemometer.

The overall rate of heat loss from a building by means of transmission plus infiltration, expressed in Btu per hour, per degree temperature difference between the inside and outside.

See evaporation pan.

An Italian mathematician, born Leonardo Pisano, who lived from 1170-1250. Most famous for the.

A compressor belonging to the group of dynamic compressors. Characterized by having its flow in the axial direction.

A non-crystalline semiconductor material that has no long-range order.

The testing of a metal to determine its degree of purity or to establish the constituents of an.

A thermal expansion valve.

Same as mirror nephoscope.

A sea which is traveling in the opposite direction to that of the boat

Institute of Electrical and Electronics Engineers

The maximum compressive stress a material is capable of developing. With a brittle material that fails in compression by fracturing, the compressive strength has a definite value. In the case of ductile, malleable, or semiviscous materials (which do not f ...

(APR)Where interest on loans is expressed as other than a yearly rate, for example 1.5% per month, APR.

A strong tropical counterclockwise revolving storm the southern hemisphere. In the northern hemisphere these storms revolve clockwise and are known as hurricanes.

A contrary indicator moving in the opposite direction of the market and useful in spotting short.

The ratio of the amount of electromagnetic radiation reflected by a body to the amount incipient upon it, commonly expressed as a percentage. The albedo is to be distinguished from the reflectivity, which refers to one specific wavelength.