Theology. Said of the three Persons in the Godhead; esp. of the Son as being ‘one in substance’ with the Father. Sometimes also said of Christ's…

One in essence, having the same essence; esp. in Theology of the Persons of the Trinity.

Of the same essence or substance; co-essential, consubstantial.

Of the Trinity: consisting of a single being or substance.

= monoousian, adj. Cf. homoousious adj. at homoousian, adj. n.derivatives.

Having absolutely the same essence. Cf. tautoousious, adj., monoousian, adj.

= tautoousian, adj.

= homoousian, adj.

(Usually in form homoousios.) Of the same essence or substance: = homoousian, adj. a.

= consubstantial, adj.