(Religion) Transformation du pain et du vin dans l'eucharistie.
ETYM Late Lat. transubstantiatio: cf. French transsubstantiation.
The Roman Catholic doctrine that the whole substance of the bread and the wine changes into the substance of the body and blood of Christ when consecrated in the Eucharist.
Miraculous changing of bread and wine into body and blood of Christ.
In Christian theology, the doctrine that the whole substance of the bread and wine changes into the substance of the body and blood of Jesus when consecrated in the Eucharist.