WordReference Random House Unabridged Dictionary of American English © 2026
zo•on•o•sis
(zō on′ə sis, zō′ə nō′sis),USA pronunciation n., pl. -ses
(-sēz′, -sēz).USA pronunciation
- Pathologyany disease of animals communicable to humans.
- Greek zōio- zoo- + nósos sickness, with ending apparently conformed to -sis
- Neo-Latin, irregularly
- 1875–80