Hō'mo-ou'si-an1, n.
(Synop., §130), n. [Gr. ὁμοούσιος, from ὁμός, the same, and οὐσία, being, essence.] (Eccl. Hist.) One of a sect in the fourth century, who maintained that the Son had the same essence with the Father;—opposed to homoiousian.