Simple Definition of lubricant
: a substance (such as grease or oil) that causes something (such as a machine part) to be slippery and to move more smoothly
: something that makes it easier for people to work or talk with each other
Full Definition of lubricant
1 : a substance (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>
Examples of lubricant in a sentence
The car's axles need more lubricant.
using humor as a social lubricant
First Known Use of lubricant
LUBRICANT Defined for Kids
Definition of lubricant for Students
: something (as oil or grease) that makes a surface smooth or slippery
Seen and Heard
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