Product Data Shortcuts

Glossary

Definitions:

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Abbreviations       Organizations

G

Gauge

An instrument or device for measuring, indicating or comparing a physical characteristic.

Galling

A form of wear in which seizing or tearing of the gear or bearing surface occurs.

Gasohol

A blend of 10% anhydrous ethanol (ethyl alcohol) and 90% gasoline, by volume. Used as a motor fuel.

GATT

General Agreement on Tariffs and Trade

Gear Oil

For automobiles, a long-life oil of relatively high viscosity for the lubrication of rear axles and some manual transmissions. In industrial applications, a high quality oil with good oxidation stability, rust protection, and resistance to foaming, for service in gear housings and enclosed chain drives.

Generated contaminant

caused by a deterioration of critical wetted surfaces and materials or by a breakdown of the fluid itself.

Graphite

A crystalline form of carbon having a laminar structure, which is used as a lubricant. It may be of natural or synthetic origin.

Gravimetric analysis

A method of analysis whereby the dry weight of contaminant per unit volume of fluid can be measured showing the degree of contamination in terms of milligrams of contaminant per litre of fluid.

Gravity

See Specific Gravity; API Gravity.

Grease

A lubricant composed of an oil or oils thickened with a soap, soaps or other thickener to a semisolid or solid consistency.