Homoousion

Contents

EnglishEdit

EtymologyEdit

From Ecclesiastical Ancient Greek ὁμοούσιον (homooúsion), neuter of ὁμοούσιος (homooúsios), formed by combining ὁμός (homós, “same”) and οὐσία (ousía, “being”) with the adjectival morpheme -ῐος (-ios).

PronunciationEdit

• (UK) IPA^(key): /hɒməʊˈuːzɪɒn/

NounEdit

Homoousion (uncountable)

1. (theology) The inclusion of the term ὁμοούσιος (homooúsios, “of one essence”) in the Nicene Creed to describe the principle that the Son is ‘of one substance’ with the Father (as opposed to the Homoiousion).
   • 2009, Diarmaid MacCulloch, A History of Christianity, Penguin 2010, p. 215:

     The campaign to get rid of the Homoousion from Christian credal statements split the Church in the empire for another half-century and more.

Derived termsEdit

• homoousian, homoousianism

Related termsEdit

• ὅμοιος (hómoios, “like, similar”)
• ὁμοιούσιος (homoioúsios, “of like being, of similar being”)
• ὁμός (homós, “same”)
• ὁμοούσιος (homooúsios, “of same being”)
• οὖσα (oûsa) (feminine present participle of ‎εἰμί (eimí, “to be, I am”))
• οὐσία (ousía, “being (noun)”)
• ούσιος (oúsios) ‎

See alsoEdit

• homoiousian, homoiousianism
• heteroousian, heteroousianism
• consubstantialis, consubstantial
• essentia, essence
• substantia, substance