noun
- the state or condition of existing together eternally; shared or simultaneous eternity.
Usage: formal; philosophical or theological
Examples
- In Christian theology, the coeternity of the Father and the Son is a central doctrine.
- The philosopher argued for the coeternity of mind and matter in the universe.
- Medieval theologians debated the coeternity of God's attributes.
- The concept of coeternity challenges our ordinary understanding of time and existence.