homoousian noun & adjective. [hɒmǝʊ'u:sɪǝn, -'aʊ-, -z-; hǝʊmǝʊ-] Also homousian [hɒ'mu:-, -'maʊ-], (esp. as noun) Homoousian. M16.
[ecclesiastical Latin homousianus, from hom(o)usius from Greek hom(o)ousios, formed as HOMO- + ousia essence, substance: see -IAN. Opp. HETEROOUSIAN and HOMOIOUSIAN.]
Christian Church.
A. noun. A person who believes the three persons of the Trinity to be of identical essence or substance; an orthodox Trinitarian. M16.
b. adjective. Of identical essence or substance (esp. of the three persons of the Trinity). Also, of or pertaining to the homoousians. L17.

[TahlilGaran] English Dictionary ▲