purification
US /ˌpjʊr.ə.fəˈkeɪ.ʃən/
UK /ˌpjʊr.ə.fəˈkeɪ.ʃən/
1.
the act or process of making something clean or pure
:
•
Water purification is essential for safe drinking.
•
The ritual involved a spiritual purification.
the act or process of making something clean or pure