What does the word refine mean?

Usage examples for refine

  1. " All those things refine love," she put in at last, a little wistfully; " they are not its essence. – The Henchman by Mark Lee Luther
  2. He perfectly realized at that moment- before the brain had begun to refine on the situation- what was asked of him. – The Mating of Lydia by Mrs. Humphry Ward
  3. The crude oil, however, has a high sulfur content and is expensive to refine. – Area Handbook for Albania by Eugene K. Keefe Sarah Jane Elpern William Giloane James M. Moore, Jr. Stephen Peters Eston T. White
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