homoousian

noun
ho·​mo·​ou·​si·​an | \ hō-ˌmō-ˈü-zē-ən How to pronounce homoousian (audio) , hä-, -ˈü-sē-\

Definition of homoousian

: an adherent of an ecclesiastical party of the fourth century holding to the doctrine of the Nicene Creed that the Son is of the same substance with the Father

First Known Use of homoousian

1565, in the meaning defined above

History and Etymology for homoousian

Late Greek homoousios of the same substance, from Greek hom- + ousia substance — more at homoiousian

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The first known use of homoousian was in 1565

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