noun, often capitalized homo·ou·si·on \-üz(h)ēˌän, -üs(h)-\

Definition of homoousion



  1. :  a theological doctrine holding that Christ is of one substance with God the very existence of Christianity … was at stake over the Homoousion — C. H. Turner

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Origin and Etymology of homoousion

Greek, accusative masculine singular of homoousios

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