homoiousian /hɒmɔɪˈuːzɪən/adjective 1noun 1forms 1 adjective1 •Having a similar but not identical essence, especially with reference to the first and second persons of the Trinity.Human ill-nature needs but some Homoiousian iota, or even the pretence of one; and will flow copiously through the eye of a needle: thus always must mortals go jargoning and fuming […]. — 1837 noun1 •(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. formshomoiousians
