Search Result for "lubricating oil":
Wordnet 3.0

NOUN (1)

1. a thick fatty oil (especially one used to lubricate machinery);
[syn: grease, lubricating oil]



WordNet (r) 3.0 (2006):

lubricating oil
    n 1: a thick fatty oil (especially one used to lubricate
         machinery) [syn: grease, lubricating oil]