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1.
1: to edit into a more polished work

2: to steal; as in refining your morals
I just refined some headphones from Wal-Mart
by Doomwaxer February 06, 2006
 
2.
To make better. Refinements are usually improvements of small details.
Clarence refined his paper, adding in more sophisticated language.
by Diggity Monkeez March 18, 2005
 
3.
to make small improvements.
the bic whahine mini mal was good but the circle one epoxy was a bit more refine ed but also a bit more expensive...
by Emobunny November 20, 2006