superrefine

verb

superrefine

verb

Etymology From super- + refine.

1

To refine to a very high degree.

[…] the electric process is likely to become an important adjunct to the Bessemer and open-hearth processes as a means of superrefining the molten products that they yield.1913, United States. Bureau of Mines, Bulletin, page 73:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.