Homoiousian

Pronunciation

• IPA: /hÉ’mɔɪˈuːzɪən/

Origin

From Ancient Greek ὁμοιουσιος, from ὁμοιος ("like, similar") + ουσια ("essence").

Full definition of homoiousian

Adjective

1. having a similar but not identical essence, especially with reference to the first and second persons of the Trinity

Noun

1. (historical) One of the Semi-Arians of the 4th century who held that the Son was of like, but not the same, essence or substance with the Father.