A lubricant is a substance that helps to reduce friction between surfaces in mutual contact, which ultimately reduces the heat generated when the surfaces move. ... The property of reducing friction is known as lubricity.

What does lubricant mean?

1 : a substance (such as grease) capable of reducing friction, heat, and wear when introduced as a film between solid surfaces. 2 : something that lessens or prevents friction or difficulty a social lubricant.

What is meant by lubrication system?

A Lubrication system is a means whereby a material is placed between two rubbing surfaces to alleviate friction and therefore wear. ... To help stop this wear a substance called a lubricant, is put in between the surfaces to carry or to help carry the load. The lubricant is most commonly an oil or a grease.