deconsecration
nounUK /diːˌkɒnsəˈkɹeɪʃən/
Etymology From de- + consecration.
1
The undoing of consecration; a desecration or defilement.
2
A ritual observing the removal from service of a sacred place, such as the closing of a church.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.