Homoiousian

Homoiousian , noun

[Greek {not transcribed}, {not transcribed}, of like substance; "o`moios + o'ysi`a the substance, being, essence.]

(Ecclesiastical Hist.) 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; -- opposed to homoousian.

Homoiousian , adjective

Of or pertaining to Homoiousians, or their belief.