
Homoousian (ən {respell|HOM|oh|OO|see-ən}; ὁμοούσιος, from the ὁμός, homós, `same` and οὐσία, ousía, `essence, being`) is a technical theological term used in discussion of the Christian understanding of God as Trinity. The Nicene Creed describes Jesus as being homooúsios with God the Father — that is, they are of t...
Found on
http://en.wikipedia.org/wiki/Homoousian

• (a.) Of or pertaining to the Homoousians, or to the doctrines they held. • (n.) One of those, in the 4th century, who accepted the Nicene creed, and maintained that the Son had the same essence or substance with the Father; -- opposed to homoiousian.
Found on
http://thinkexist.com/dictionary/meaning/homoousian/
Ho`mo·ou'si·an noun [ Greek ...; ... the same + ... being, essence, substance.]
(Eccl. Hist.) One of those, in the 4th century, who accepted the Nicene creed, and maintained that the Son had the same essence or substance with the Father; -- opposed to
homoiousian .
Found on
http://www.encyclo.co.uk/webster/H/57

a member of a 4th-century a.d. church party that maintained that the essence or substance of the Father and the Son is the same (opposed to Heteroousian).
Found on
https://www.infoplease.com/dictionary/homoousian
No exact match found.