• synonyms


[hoh-moi-oo-see-uh n, -ou-]
  1. a member of a 4th-century a.d. church party that maintained that the essence of the Son is similar to, but not the same as, that of the Father.
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  1. relating to the Homoiousians or their doctrine.
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Origin of Homoiousian

1725–35; < Late Greek homoioúsi(os) of like substance (homoi- homoio- + ousí(a) substance, essence + -os adj. suffix) + -an
Related formsHo·moi·ou·si·an·ism, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for homoiousian

Historical Examples of homoiousian

  • With what synthetical power he refuted the Homoiousian theory.


    John Bate

British Dictionary definitions for homoiousian


  1. a Christian who believes that the Son is of like (and not identical) substance with the FatherCompare Homoousian
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  1. of or relating to the Homoiousians
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Derived FormsHomoiousianism, noun

Word Origin for Homoiousian

C18: from Late Greek homoiousios of like substance, from Greek homoio- like + ousia nature
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for homoiousian


1680s, from Greek homoiousios "of the same essence," from homos "one and the same" (see homo- (1)) + ousia "essence" (see Parousia).

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Online Etymology Dictionary, © 2010 Douglas Harper