ho·​moi·​ou·​si·​an hō-ˌmȯi-ˈü-zē-ən How to pronounce homoiousian (audio)
: an adherent of an ecclesiastical party of the fourth century holding that the Son is essentially like the Father but not of the same substance

Word History


Late Greek homoiousios of like substance, from Greek homoi- homeo- + ousia essence, substance, from ont-, ōn, present participle of einai to be — more at is

First Known Use

1732, in the meaning defined above

Time Traveler
The first known use of homoiousian was in 1732

Dictionary Entries Near homoiousian

Cite this Entry

“Homoiousian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/homoiousian. Accessed 24 Feb. 2024.

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