Artificial intelligent assistant

lubrifaction

lubriˈfaction ? Obs.
  Also lubre-.
  [irreg. f. L. lūbric-us lubric + -faction. Cf. next and lubrify.]
  The making slippery or smooth; lubrication. Also Path. (Cf. lubricity 1 b.)

1542 Boorde Dyetary xii. (1870) 265 Euery thynge that is vnctyous is noysome to the stomacke, for as moche as it maketh lubryfactyon. 1547Brev. Health xviii. 13 This infyrmitie [vomiting] doth come..of lubryfaction of the intestines. 1626 Bacon Sylva §41 Lubrefaction, and Relaxation. As we see in Medicines Emollient; Such as are Milke, Honey..and others.

Oxford English Dictionary

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