transitive verb-·at·ed, -·at·ing
- to change from one substance into another; transmute; transform
- to cause (bread and wine) to undergo transubstantiation
Origin of transubstantiatefrom Ecclesiastical Medieval Latin transubstantiatus, past participle of transubstantiare from Classical Latin trans-, trans- + substantia, substance
transitive verbtran·sub·stan·ti·at·ed, tran·sub·stan·ti·at·ing, tran·sub·stan·ti·ates
- To change (one substance) into another; transmute.
- Christianity To change the substance of (the Eucharistic bread and wine) into the body and blood of Jesus.
Origin of transubstantiateMedieval Latin trānsubstantiāre trānsubstantiāt-Latin trāns- trans- Latin substantia substance ; see substance .
(third-person singular simple present transubstantiates, present participle transubstantiating, simple past and past participle transubstantiated)