Main Entry: tran·sub·stan·ti·a·tion

Pronunciation: \-ˌstan(t)-shē-ˈā-shən\

Function: noun

Date: 14th century

1 : an act or instance of transubstantiating or being transubstantiated
2 : the miraculous change by which according to Roman Catholic and Eastern Orthodox dogma the eucharistic elements at their consecration become the body and blood of Christ while keeping only the appearances of bread and wine