Definisi : ~ /on, upon/, memperhalus: the architect has ~d on the earlier design, arkitek itu telah memperhalus reka bentuk yg lebih awal itu; (Kamus Inggeris-Melayu Dewan)
Definisi : vt 1. make free from impurities, purify, menapis: a new method of refining oil, kaedah baru utk menapis minyak; to ~ sugar, menapis gula; 2. make more cultured, polished, menghalusi, memperhalus: he spends hours refining his prose, dia menghabiskan masa berjam-jam menghalusi prosanya; to ~ o’s manners, memperhalus perangai sso; (Kamus Inggeris-Melayu Dewan)