• Webster's Revised Unabridged Dictionary
    • a Homoiousian Of or pertaining to Homoiousians, or their belief.
    • n Homoiousian (Eccl. 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.
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Century Dictionary and Cyclopedia
    • Homoiousian Having a similar nature.
    • Homoiousian [capitalized] Relating to the Homoiousians or their belief.
    • n Homoiousian [capitalized] One of the Semi-Arians, followers of Eusebius, who maintained that the nature of Christ is similar to, but not the same with, that of the Father: opposed to Homoöusian.
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Chambers's Twentieth Century Dictionary
    • adj Homoiousian hō-moi-ōō′si-an similar in essence (as distinct from the Nicene homo-ousion and the strictly Arian hetero-ousion), the semi-Arian position in the great Christological controversy of the 4th century (see Arian).
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Webster's Revised Unabridged Dictionary
Gr. , , of like substance; "o`moios + o'ysi`a the substance, being, essence
Chambers's Twentieth Century Dictionary
Gr. homoios, like, ousia, being—einai, to be.


In literature:

With what synthetical power he refuted the Homoiousian theory.
"Talkers" by John Bate