WordReference Random House Unabridged Dictionary of American English © 2025
il•lu•vi•ate
(i lo̅o̅′vē āt′),USA pronunciation v.i., -at•ed, -at•ing.
- Geologyto undergo illuviation.
- Geologyto produce illuviation.
- Latin illuvi(ēs) mud (see illuvial) + -ate1