The phenomenon leading to fracture under repeated or fluctuating stresses having a maximum value less than the tensile strength of the material. Fatigue fractures are progressive and grow under the action of the fluctuating stress.

A large body of air having similar horizontal temperature and moisture characteristics.

(1) Old nickname for a sailor, who would treat his canvas coats and hats with tar as a protection against the weather. (2) The distilled residue of gum extracted from pine trees, used for preserving many things.

An industry abbreviation for "Hazardous Material."

A broker who not only deals in stocks and shares on behalf of his client, but also advises on.

A term used for a wind energy conversion device that produces electricity; typically having one, two, or three blades.

The pressure of the steam or water in a boiler as measured; usually expressed in pounds per square inch gauge (psig).

Abbreviation for visual flight rules, but commonly used to refer to the relatively favorable weather and/or flight conditions to which these rules apply.

The ability of a fluid that is insoluble in water to separate from water with which it may be mixed in the form of an emulsion.

International Institute of Marine Surveyors

An absolute pyhrliometer, developed by C.G. Abbott, in which the radiation-sensing element is a blackened water-calorimeter.

A clause in an insurance policy which specifies items or conditions not covered.

See: 'State.

Module Carrier.

Abbreviation for "Not Elsewhere Specified."

Cargo thrown overboard in order to lighten the ship and washed ashore.

The process in which a metal fractures prematurely under conditions of simultaneous corrosion and repeated cyclic loading at lower stress levels or fewer cycles than would be required in the absence of the corrosive environment.

Noise of less than one second's duration which occurs as an isolated event, or as one of a series of events with a repeat it ion rate of less than 15 times per second .

A light source composed of a metal base, a glass tube filled with an inert gas or a vapor, and base pins to attach to a fixture.

A composite metal containing, two or more layers that have been bonded together. The bonding may have been accomplished by co-rolling, co-extrusion, welding, diffusion bonding, casting, heavy chemical deposition, heavy electroplating, or explosive claddin ...