lubricate

[loo-bri-keyt]
verb (used with object), lubricated, lubricating.
1.
to apply some oily or greasy substance to (a machine, parts of a mechanism, etc.) in order to diminish friction; oil or grease (something).
2.
to make slippery or smooth; apply a lubricant to: to lubricate one's hands with a lotion.
3.
to smooth over, as a difficulty or human relationship; ease: to lubricate the friction between enemies.
4.
Slang. to provide with intoxicating drinks.
5.
Slang. to bribe.
verb (used without object), lubricated, lubricating.
6.
to act as a lubricant.
7.
to apply a lubricant to something.
8.
Slang. to drink or become drunk.

Origin:
1615–25; < Latin lūbricātus, past participle of lūbricāre to make slippery. See lubric, -ate1

lubrication, noun
lubricational, adjective
lubricative, adjective
lubricatory [loo-bri-kuh-tawr-ee, -tohr-ee] , adjective
nonlubricating, adjective
overlubricate, verb (used with object), overlubricated, overlubricating.
overlubrication, noun
relubricate, verb (used with object), relubricated, relubricating.
relubrication, noun
self-lubricated, adjective
self-lubricating, adjective
self-lubrication, noun
unlubricated, adjective
unlubricating, adjective
unlubricative, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
lubricate (ˈluːbrɪˌkeɪt)
 
vb
1.  (tr) to cover or treat with an oily or greasy substance so as to lessen friction
2.  (tr) to make greasy, slippery, or smooth
3.  (intr) to act as a lubricant
 
[C17: from Latin lūbricāre, from lūbricus slippery]
 
lubri'cation
 
n
 
lubri'cational
 
adj
 
'lubricative
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

lubricate
1620s, from L. lubricatus, pp. of lubricare "to make slippery or smooth," from lubricus "slippery."
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences for lubricative
Magnesium stearate is a slightly flammable white powder with lubricative properties.
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