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7 Essential Words of Fall

lubricant

[loo-bri-kuh nt] /ˈlu brɪ kənt/
noun
1.
a substance, as oil or grease, for lessening friction, especially in the working parts of a mechanism.
adjective
2.
capable of lubricating; used to lubricate.
Origin
1815-1825
1815-25; < Latin lūbricant- (stem of lūbricāns), present participle of lūbricāre to make slippery. See lubric, -ant
Related forms
nonlubricant, noun
unlubricant, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for unlubricant

lubricant

/ˈluːbrɪkənt/
noun
1.
a lubricating substance, such as oil
adjective
2.
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
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Word Origin and History for unlubricant

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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