Encyclopedia > Lubricant

  Article Content

Lubricant

A lubricant is a substance introduced between two surfaces to lessen the friction between them. Lubricants have been used since prehistoric times, for example on wheel axles, and see extended use in many industrial applications.

Common lubricants include:

Another way to reduce friction is to use a ball bearing, which at the time of its invention was revolutionary. An air cushion can also be used to reduce friction.



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Westhampton Beach, New York

... living with them, 47.1% are married couples living together, 11.1% have a female householder with no husband present, and 38.1% are non-families. 32.7% of all households ...

 
 
 
This page was created in 39.7 ms