a substance, as oil or grease, for lessening friction, especially in the working parts of a mechanism.
- non·lu·bri·cant, noun
- un·lu·bri·cant, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use lubricant in a sentence
When you’re at a wedding reception, alcohol serves as a social lubricant.I Am a Heroin User. I Do Not Have a Drug Problem - Issue 96: Rewired | Mark MacNamara | February 17, 2021 | Nautilus
The sad truth is that harmful content is highly engaging and serves as a lubricant for Facebook’s core business.Facebook's "Oversight Board" Is a Sham. The Answer to the Capitol Riot Is Regulating Social Media | Maria Ressa | January 28, 2021 | Time
A trick you can easily do to help solve this problem is to add a lubricant to the shovel, which will cause the snow to roll off easily.
The lubricants also had to work at both the extreme temperatures reached while traveling at three times the speed of sound, and at lower, cooler speeds.A CIA spyplane crashed outside Area 51 a half-century ago. This explorer found it. | Sarah Scoles | January 5, 2021 | Popular-Science
Instead, the center will develop new chemical and catalytic processes for turning the waste from everyday plastics like water bottles into the building blocks for high-value products such as fuels, lubricants, and functional polymers.
Not hard to imagine what drives this number – money, the ever swelling lubricant of elective office.
A tube of lubricant also flew into the stalls as a duvet was swiftly scooped up.New York’s Naughtiest Show (Maybe Avoid the Front Row) | Tim Teeman | January 18, 2014 | THE DAILY BEAST
Credit is the lubricant that moves the machinery of global commerce.Government Shuts Down and Private Sector Feels the Pain, Too | Daniel Gross | October 4, 2013 | THE DAILY BEAST
And researchers in Australia are currently working on a study of lubricant use among breast-cancer survivors.
Language like that is a lubricant to the calamity all around us.
The tube should be dipped in warm water just before using: the use of glycerin or other lubricant is undesirable.A Manual of Clinical Diagnosis | James Campbell Todd
The most common solid employed as a lubricant is graphite, sometimes termed “plumbago” or “black lead.”Aviation Engines | Victor Wilfred Pag
The cylinder walls are oiled by the spray of lubricant thrown off the revolving crank-shaft by centrifugal force.Aviation Engines | Victor Wilfred Pag
Thus it is actually upon a film of lubricant that a shaft rests, rather than upon the bearing,113 or "box," in which it turns.The Gasoline Motor | Harold Whiting Slauson
Mr. Shenstone recommends a lubricant composed of camphor dissolved in turpentine for general purposes.On Laboratory Arts | Richard Threlfall
British Dictionary definitions for lubricant
a lubricating substance, such as oil
serving to lubricate
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012