transitive verb

: to refine (used motor oil) in order to produce a clean usable lubricant

Word History


re- + refine entry 1

First Known Use

1941, in the meaning defined above

Time Traveler
The first known use of re-refine was in 1941

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Dictionary Entries Near re-refine

Cite this Entry

“Re-refine.” Dictionary, Merriam-Webster, Accessed 21 Jun. 2024.

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