purificatio

This practice, called purificatio, is still prescribed as part of the rite of the General Communion on Easter Day in the "Cæremonial

The Catholic Encyclopedia, Volume 3: Brownson-Clairvaux 1840-1916 1913

Ave, vera virginitas, [Hail, true virginity] immaculata castitas, [immaculate chasity] cuius purificatio [whose purification] nostra fuit purgatio. [brought our cleansing]

Josquin's Ave Maria 2009

Parentes autem et omnes alij qui morantur in stationibus suis oportet purificari per ignem: qu� purificatio fit hoc modo.

The Principal Navigations, Voyages, Traffiques and Discoveries of the English Nation 2003

Elixirs and dragons; the characteristics of mercury; the alchemical references in Ben Jonson; the names Kalid ibn Yazid and Cheng Wei, Robert of Chester and Albertus Magnus, Roger Bacon and Isaac Newton, Abu Bakr and Charles II; the magnificent Latinate stages of the alchemical process, the seven or twelve or more levels of transformation from the prima materia and the nigredo of dissolutio to the white of purificatio and the red of the Stone itself; the links between the planets and the metals; the alignment necessary between the artifex and his universe and the work going on within the alembic.

A Darker Place King, Laurie R. 1999