[ ˌtransəb'stanʃɪeɪt , ˌtrα:n- , -sɪ- ]
■ verb
1》 Christian Theology convert (the substance of the Eucharistic elements) into the body and blood of Christ at consecration.
2》 change the form or substance of (something) into something different.
Origin
ME: from med. L. transubstantiat- , transubstantiare 'change in substance'.