A lubricant is a substance, like oil or grease, that reduces friction between moving surfaces. This helps to make parts move smoothly and prevents wear and tear. Lubricants can be liquid, solid, or even gaseous.


A lubricant is a substance, like oil or grease, that reduces friction between moving surfaces. This helps to make parts move smoothly and prevents wear and tear. Lubricants can be liquid, solid, or even gaseous.