A wheel that is designed to use the weight and/or force of moving water to turn it, primarily to operate machinery or grind grain.

A thermometer used in aircraft which automatically corrects for adiabatic and frictional temperature rises by imparting a rotary motion to the air passing the thermal sensing element.

(1) A term signifying an inclination of an object from a perpendicular; to turn anything so that it does not stand perpendicularly or square to an object. (2) Those timbers in a ship near the bow or stern which are sharply angled from the keel. (3) The op ...

A solar energy conversion device that has a bowl shaped dish covered with a highly reflective surface that tracks the sun and concentrates sunlight on a fixed absorber, thereby achieving high temperatures, for process heating or to operate a heat (Stirlin ...

The replacement of a non-functional or ineffective lamp with a new, more efficient lamp.

A Letter of Credit payable at a future determinable date in which a term Bill of Exchange is not required to evidence the maturity date. (see Acceptance Credit).

The cover of a scuttle-way or small hatchway which leads to to or from a store room, cabin of small craft, crew's quarters, the forecastle or fore peak.

General Policy Group (IACS)

The ratio, expressed as a percentage, of the amount of water vapor present in a given volume of air at a given temperature to the amount required to saturate the air at that temperature.

The rate of flow of the wind undisturbed by obstacles.

A collective investment scheme which relies on currency trading for its.

High-Pressure

A device that uses electronic components to regulate the voltage of fluorescent lamps.

A device or media that absorbs heat for storage for later use.

Rate of wind movement in distance per unit time.

A Government Act introduced primarily to provide increased protection for investors and to regulate.

A weakly colored lunar halo identical in form and optical origin to the solar parhelion.

(1) Formation of a new, strain free grain structure from that existing in cold worked metal, usually accomplished by heating. (2) The change from one crystal structure to another, as occurs on heating or cooling through a critical temperature.

Superheater

Mobile Offshore Production Unit.