Artificial intelligent assistant

lubrication

lubrication
  (l(j)uːbrɪˈkeɪʃən)
  [f. lubricate v.: see -ation.]
  The action of lubricating or the condition of being lubricated. Also attrib.

1802 Paley Nat. Theol. viii. (1804) 132 The healing lubrication of the mucilage. 1870 Yeats Nat. Hist. Comm. 206 Rape oil is more suitable than any other oil for the lubrication of machinery. 1906 Westm. Gaz. 23 July 8/2 Motor-'buses, fitted with the new automatic lubrication appliance. 1907 Ibid. 13 Nov. 9/1 The lubrication system..can be regulated to suit all engine speeds. 1951 M. McLuhan Mech. Bride (1967) 124 He brings you our 78 years of lubrication experience. 1975 D. Bristow's Catal. Miscellany 1/75 14 (Operation manual). The Singer Car..with lubrication chart loosely inserted.

Oxford English Dictionary

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