n. A substance used to reduce friction between objects or surfaces.
the GNU version of the Collaborative International Dictionary of English
adj. Lubricating.
n. That which lubricates; specifically, a substance, as oil, grease, graphite, etc., used for reducing the friction of the working parts of machinery.
The Century Dictionary and Cyclopedia
Lubricating.
n. Any natural or artificial material that may be used to lubricate the rubbing surfaces of machinery, in order to lessen their friction upon each other.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a substance capable of reducing friction by making surfaces smooth or slippery
Word Usage
""We turn that into liquid form and use nanotechnology to have it perform in lubricant format," explained company CEO Jeff Marshall."