Mawson, C.O.S., ed. (1870–1938). Roget’s International Thesaurus. 1922.
Class III. Words Relating to MatterSection II. Inorganic Matter
1. Solid Matter
332. [Absence of Friction. Prevention of Friction.] Lubrication.
smoothness [See Smoothness]; unctuousness [See Unctuousness].
LUBRICANT, lubricator, synovia; glycerin, oil [See Oil]; saliva; lather; ointment, salve, balm, unguent, unguentum [pharm.], lenitive, unction.