ˌ ̷ ̷ ̷ ̷ˌ ̷ ̷ ̷ ̷ˈāshən noun
also trans·sub·stan·ti·a·tion -nzsəb-, -n(t)ssəb-
Etymology: Middle English, from Medieval Latin transubstantiation-, transubstantiatio; from transubstantiatus + Latin -ion-, -io, -ion
: an act, process, or instance of transubstantiating or being transubstantiated ; specifically : the change in the eucharistic elements at their consecration in the Roman Catholic mass from the substance of bread and wine to the substance of the body and blood of Christ with only the accidents (as taste, color, shape, and smell) of the bread and wine remaining — distinguished from consubstantiation ; compare transaccidentation