Lubricant
Nuttall's Standard Dictionary of the English Language · 1890 · p. 113
lubricous, slippery) lew -bre-kant,. s. that which lubricates.
Bu kavram başka kaynaklarda da geçiyor
The American Dictionary and Cyclopedia (1910)
An Illustrated Dictionary of Medicine, Biology and Allied Sciences (1907)
A Military Dictionary and Gazetteer (1881)
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