Crayon, any drawing material available in stick form. The term includes charcoal, conte crayon, chalk, pastel, grease crayon, litho crayon, and children's wax colors. The pigment is often boun...

Lubrication, introduction of a substance between the contact surfaces of moving parts to reduce friction and to dissipate heat. A lubricant may be oil, grease, graphite, or any substance—gas, ...

Soap, a cleansing agent. It cleanses by lowering the surface tension of water, by emulsifying grease, and by absorbing dirt into the foam.Ancient peoples are believed to have employed wood ash...

Leather, skin or hide of animals, cured by tanning to prevent decay and to impart flexibility and toughness. Prehistoric and primitive peoples preserved pelts with grease and smoke and used th...

Lanolin, greasy, yellow substance extracted from wool. When purified, it is used as a base for ointments and creams, as a lubricant, and in finishing and preserving leather. It is also a const...

Carbon tetrachloride or tetrachloromethane, CCl4, colorless, poisonous, liquid organic compound that boils at 76.8°C. It is toxic when absorbed through the skin or when inhaled. It reacts at h...

Tune, Tommy, 1939–, American dancer, choreographer, and director, b. Wichita Falls, Tex. An unusually lanky 6 ft 6 in., Tune began his Broadway dancing career in the chorus of several mid-1960...

Carpet beetle, name for several beetles that are highly destructive to carpets and upholstery and are classified in the same family as the larder beetles. Adult beetles of this family are poll...

Fleece, mat of wool formed by shearing a sheep in one continuous operation. The average fleece weighs from 5 to 10 lb (2.3–4.5 kg); in highbred wool sheep such as the American Merinos a ram's ...

Fuller's earth, mineral substance characterized by the property of absorbing basic colors and removing them from oils. It is composed mainly of alumina, silica, iron oxides, lime, magnesia, an...