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