superrefine

Etymology

From super- + refine.

superrefine means to refine to a very high degree. Lexicurio rates it Rare gem — a strength score of 84 out of 100.

verb

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.”