D defs.my
Entry 2 senses · 2 variants Webster, 1913

Homoiousian

· Ho·moi·ou·si·an · IPA /hɒmɔɪˈuːzɪən/
01 n. 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; -- op…
  1. 1.
    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.(Eccl. Hist.)
02 a. Of or pertaining to Homoiousians, or their belief.
  1. 1.
    Of or pertaining to Homoiousians, or their belief.