transaccidentation

\\ˌtran(t)ˌsaksəden.ˈtāshən\ noun (-s)

Etymology: Medieval Latin transaccidentation-, tranaccidentatio, from Latin accident-, accidens accident, after Latin substantia substance: Medieval Latin transubstantiation-, transubstantiatio transubstantiation

: an originally medieval theological doctrine that the accidents of the eucharistic bread and wine are changed into the body and blood of Jesus Christ at the moment of their consecration — compare transubstantiation