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lu·bri·cate

lubricate

 
 
pronunciation:
lu brih keIt
part of speech: verb
inflections: lubricates, lubricating, lubricated
definition: to coat or supply with grease, oil, or another slippery substance.
He lubricated his bicycle chain before the race.
similar words:
grease
derivations: lubrication (n.), lubricator (n.)