The Collaborative International Dictionary of English v.0.48:
Lubrication \Lu`bri*ca"tion\, n. The act of lubricating; the act of making slippery. [1913 Webster]WordNet (r) 3.0 (2006):
lubrication n 1: the condition of having been made smooth or slippery by the application of a lubricant 2: an application of a lubricant to something