| a. | 1. | Lubricating. |
| n. | 1. | That which lubricates; specifically, a substance, as oil, grease, graphite, etc., used for reducing the friction of the working parts of machinery. |
| Noun | 1. | lubricant - a substance capable of reducing friction by making surfaces smooth or slipperySynonyms: lubricating substance, lubricator |
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