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 (hĕt′ə-rō-o͞o′sē-ən, -ou′sē-ən) also Het·er·ou·si·an (hĕt′ə-ro͞o′-, -rou′-)
A Christian who believes that the substance and nature of God the Father and God the Son are different; an Arian.

[From Greek heteroousios, differing in substance : hetero-, hetero- + ousiā, substance, nature; see Homoiousian.]

Het′er·o·ou′si·an, Het′er·ou′si·an adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌhɛtəˈruːzɪən; ˌhɛtəˈraʊzɪən; ˌhɛtərəʊˈuːzɪən)
(Theology) theol a person who believes the essence of the Father and the Son are different
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Anomoian or Heterousian) bishop, as he says in A History of |Neo-Arianism, 2 vols.
demonstrates eminently that the theological discourses of Basil and Gregory do not obfuscate, let alone truncate, theological debate--and in the process he successfully counters Lim's thesis that the heterousians fostered open theological exchange much more than the homoousions, "who shrouded it in authoritarian appeals to mystery" (121).