Encyclopedia > Lubricant

  Article Content


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

... - Wikipedia <<Up     Contents Autocracy Autocracy is a form of government which resides in the absolute power of a single individual. The ...

This page was created in 38.5 ms