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English definition of “refine”

refine

verb [T]     /rɪˈfaɪn/
PRODUCTION to improve something or to make it pure , especially by removing material that is not wanted : Crude oil is industrially refined to purify it.
to improve an idea , a method , a system , etc. by making small changes : Engineers spent many months refining the software .
(Definition of refine verb from the Cambridge Business English Dictionary © Cambridge University Press)
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