What is that which lubricates; specifically, a substance, as oil, grease, plumbago, etc., used for reducing the friction of the working parts of machinery called?
lubricant — That which lubricates; specifically, a substance, as oil, grease, plumbago, etc., used for reducing the friction of the working parts of machinery. (Webster's 1913.)
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00