Definition: Sure, I'd be happy to help explain it! The term "transubstantiation" refers to a religious or spiritual concept that explains how certain things (usually food) are made to seem more acceptable or holy than they really are by being changed into something else, usually water. For example, the Eucharist is considered as the "transubstantiation" of bread and wine into the Body and Blood of Jesus Christ. In this process, the elements of bread and wine change into the actual body and blood of Jesus Christ, becoming present to us as a visible manifestation of God's presence in the world. While it may sound confusing at first, understanding transubstantiation is not difficult once you have a basic knowledge of how food can be transformed into something else. In general, transubstantiation involves adding an element or substance that makes a traditional offering more acceptable to the faithful by changing its nature from what it was originally. It's important to note that transubstantiation has never been proven to occur in any kind of religious context. This is because it would require a change in the source material itself, which is impossible for the creation of a substitute or alterative for bread and wine to be valid.