HOMOIOUSIAN
Etymology
Adjective
homoiousian (comparative more homoiousian, superlative most homoiousian)
having a similar but not identical essence, especially with reference to the first and second persons of the Trinity
Noun
homoiousian (plural homoiousians)
(historical) 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.
Source: Wiktionary
Ho`moi*ou"si*an, n. Etym: [Gr. "o`moios + o'ysi`a the substance,
being, essence.] (Eccl. Hist.)
Definition: 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.
Ho`moi*ou"si*an, a.
Definition: Of or pertaining to Homoiousians, or their belief.
Source: Webster’s Unabridged Dictionary 1913 Edition