Lubricant definition

lo͝obrĭ-kənt
Frequency:
A substance, such as grease or oil, that reduces friction when applied as a surface coating to moving parts.
noun
12
2
A substance for reducing friction in this way, as oil or grease.
noun
3
1
One that facilitates conversation or cooperation.

Saw coffee as a social lubricant.

noun
2
2
Reducing friction by providing a smooth film as a covering over parts that move against each other; lubricating.
adjective
2
2
A substance used to reduce friction between objects or surfaces.
noun
1
1
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A slippery liquid, gel, or oil that is used to reduce friction on or soreness of body tissue.
noun
0
2

Other Word Forms

Noun

Singular:
lubricant
Plural:
lubricants