Ho`mo*ou"si*an (?), n. [Gr. ; 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.
© Webster 1913.
Ho`mo*ou"si*an, a.
Of or pertaining to the Homoousians, or to the doctrines they held.
© Webster 1913.