purification
noun/ˌpjʊəɹɪfɪˈkeɪʃən/
Etymology From Old French purificacion, from Latin pūrificātiō.
1
The act or process of purifying; the removal of impurities.
- air purification
- purification of water
2
A religious act or rite in which a defiled person is made clean or free from sin.
- purification of the soul
3
Christianity The pouring of wine into the chalice to rinse it after communion, the wine being then drunk by the priest.