WordReference Random House Unabridged Dictionary of American English © 2025
hi•er•ol•o•gy
(hī′ə rol′ə jē, hī rol′-),USA pronunciation n.
hi•er•o•log•ic
(hī′ər ə loj′ik, hī′rə-),USA pronunciation hi′er•o•log′i•cal, adj.
hi′er•ol′o•gist, n.
- Religionliterature or learning regarding sacred things.
- Religionhagiological literature or learning.
- 1830–40; hiero- + -logy