WordReference Random House Unabridged Dictionary of American English © 2025
E•ras•tian•ism
(i ras′chə niz′əm, -tē ə niz′-),USA pronunciation n.
- Religionthe doctrine, advocated by Thomas Erastus, of the supremacy of the state over the church in ecclesiastical matters.
- Erastian + -ism 1675–85
'Erastianism' also found in these entries (note: many are not synonyms or translations):