redistill

/ˌriːdɪˈstɪl/
verb
  1. To distill something again, especially to purify it further.
    • To get the purest essential oil, you may need to redistill the first batch.
    • The chemist decided to redistill the liquid to remove any remaining impurities.
    • Some whiskey producers redistill their spirit to achieve a smoother flavor.
Synonyms
What does "redistill" mean? | whatsthatwordmean | whatsthatwordmean