American English

Definition of refine verb from the Oxford Advanced American Dictionary



    Verb Forms present simple I / you / we / they refine
    he / she / it refines
    past simple refined
    -ing form refining
    jump to other results
  1. 1refine something to make a substance pure by taking other substances out of it the process of refining oil/sugar
  2. 2refine something to improve something by making small changes to it She has refined her playing technique over the years. This theory still needs a little refining.
See the Oxford Advanced Learner's Dictionary entry: refine