WordReference Random House Unabridged Dictionary of American English © 2026
o•to•tox•ic
(ō′tə tok′sik),USA pronunciation adj.
o•to•tox•ic•i•ty
(ō′tə tok sis′i tē),USA pronunciation n.
- Pathologyhaving a harmful effect on the organs or nerves concerned with hearing and balance.
- 1950–55; oto- + toxic