tran·sub·stan·ti·ate [ trànssəb stánshee àyt ](past and past participletran·sub·stan·ti·at·ed, present participletran·sub·stan·ti·at·ing, 3rd person present singulartran·sub·stan·ti·ates)
verb
Definition:
1. intransitive verb change substance: in Roman Catholic and Eastern Orthodox doctrine, to undergo a change in substance, from bread and wine to the body and blood of Jesus Christ during Communion
2. transitive and intransitive verb change substance: to change from one substance into another, or change something from one substance into another
(
formal
)
[15th century. < medieval Latin transubstantiat-, past participle of transubstantiare "change the substance of thoroughly" < Latin substantia (see substance)]
