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lubricant

[loo-bri-kuh nt]
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noun
  1. a substance, as oil or grease, for lessening friction, especially in the working parts of a mechanism.
adjective
  1. capable of lubricating; used to lubricate.

Origin of lubricant

1815–25; < Latin lūbricant- (stem of lūbricāns), present participle of lūbricāre to make slippery. See lubric, -ant
Related formsnon·lu·bri·cant, nounun·lu·bri·cant, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for lubricant

lubricant

noun
  1. a lubricating substance, such as oil
adjective
  1. serving to lubricate

Word Origin

C19: from Latin lūbricāns, present participle of lūbricāre. See 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

Word Origin and History for lubricant

n.

1828, probably from lubricant (adj.), or from Latin lubricantem.

adj.

"reducing friction," 1809, from Latin lubricantem (nominative lubricans), present participle of lubricare "to make slippery or smooth," from lubricus "slippery; easily moved, sliding, gliding;" figuratively "uncertain, hazardous, dangerous; seductive," from PIE *sleubh- "to slip, slide" (see sleeve).

Online Etymology Dictionary, © 2010 Douglas Harper

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