grease

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grease,

mixture of lubricant and thickener. It is used to reduce friction between surfaces from which oils would leak away or cause damage by dripping, or where lubrication must be assured for extended periods. Many greases are mixtures of mineral oil and soap. The more common of them contain a calcium-base soap that withstands water but not high temperature, or a sodium-base soap that withstands higher temperatures and adheres well but dissolves in water. Other soaps used in greases have bases of lithium, aluminum, barium, or strontium. Nonsoap thickeners include carbon black, which is unaffected by temperature and is therefore used with extreme low-temperature lubricants; silica gel; and bentonite, a clay developed for universal greases. Solid lubricants are sometimes used for extreme bearing pressures and high temperatures. Synthetic oils are sometimes used for special conditions, generally temperature extremes.

grease

[grēs]
(materials)
Rendered, inedible animal fat that is soft at room temperature and is obtained from lard, tallow, bone, raw animal fat, and other waste products.
A lubricant in the form of a solid to semisolid dispersion of a thickening agent in a fluid lubricant, such as petroleum oil thickened with metallic soap.

grease

1. any thick fatty oil, esp one used as a lubricant for machinery, etc.
2. Vet science inflammation of the skin of horses around the fetlocks, usually covered with an oily secretion
References in periodicals archive ?
Cool, greaseless, pain relieving gel penetrates deep to provide fast, temporary relief of minor aches and pains of muscles and joints.
Its silent operation, frictionless drive and greaseless operation offer special advantages in this field.
This greaseless, SPF 15 product comes in a throw-away foil package; the nonwoven towelette is inserted into a laminate, injected with a sunscreen and heat sealed into a pouch.
Flex-Power Daily Pain Relief Creams are greaseless, stainless creams with a clean and pleasant scent.
Tenders are invited for Supply of greaseless interchangeable, high vacuum stopcock capable of withstanding 1 x 10 raise to -06 torr or better static vacuum.
As Thompson explains, "This provides a greaseless part-drop area, which is good for high-cavitation jobs where some parts might scatter and touch the tiebars.
2001 - Circle R Greaseless Pivot Bushing - Significantly reduces time on maintenance
This time, the pair was yoked in the service of a lovely rare roasted duck breast, its crisp and greaseless skin subtly scented with anise and served atop little cakes of polenta rich with goat cheese ($26).
It is designed to help relieve pain and relax muscles by providing odorless and greaseless heat to the affected area.
4 oz); and Anti-Frizz Serum - a greaseless finishing balm to tame 'frizzies' and seal split ends (3.
Elektron models have a newly designed toggle clamp with linear bearings for a greaseless part-drop area.