Credit cards branded with the name of a charity or trade union. Often give a small donation to the.

A sliding type of bearing having either rotating or oscillatory motion and in conjunction with which a journal operates. In a full or sleeve type bearing, the bearing surface is 360 degrees in extent. In a partial bearing, the bearing surface is less than ...

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

See calorie.

The distance between the water level at chart datum and an overhead obstacle such as a bridge or power line.

An empirical curve relating stream discharge or stage at a point on a stream to discharge or stage at one or more upstream points and, possibly. to other parameters. Also called stage relation.

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 ...

Part of a computer word that has meaning in itself, often, a byte.

A pair of dissimilar conductors, commonly metals, in electrical contact. See also galvanic corrosion.

An enterprise in which there is a risk of loss.

A thermometer consisting of a clock mechanism the speed of which is a function of temperature.

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

A projecting aperture at the end of a tube, pipe etc. serving as an outlet for compressed air. Reduces the demand on the compressor by generating the highest thrust and volume for the lowest possible air consumption.

A very sensitive electrostatic electrometer for measuring small potential differences.

The American central banking system which comprises 12 regional Federal Reserve Banks, their.

A decrease in the central pressure of a pressure system. Usually applied to a low rather than to a high.

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

A device used by energy auditors to pressurize a building to locate places of air leakage and energy loss.

A heat exchanger coil in which a fluid such as water is circulated and a fan blows air over the coil to distribute heat or cool air to the different rooms.

A device that converts heat or sunlight directly to electricity, invented by Standford Ovshinsky, that has a unique glass composition that changes from an electrically non-conducting state to a semiconducting state.