[zoh-on-uh-sis, zoh-uh-noh-sis]
noun, plural zo·on·o·ses [zoh-on-uh-seez, zoh-uh-noh-seez] /zoʊˈɒn əˌsiz, ˌzoʊ əˈnoʊ siz/.
  1. Pathology. any disease of animals communicable to humans.

Origin of zoonosis

1875–80; < New Latin, irregular < Greek zōio- zoo- + nósos sickness, with ending apparently conformed to -sis
Related formszo·o·not·ic [zoh-uh-not-ik] /ˌzoʊ əˈnɒt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for zoonotic


noun plural -ses (-siːz)
  1. pathol any infection or disease that is transmitted to man from lower vertebrates

Word Origin for zoonosis

from zoo- + Greek nosos disease
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for zoonotic

1900, from zoonosis + -ic.



plural zoonoses, 1876, from comb. form of Greek zoion "animal" (see zoo) + nosos "disease."

Online Etymology Dictionary, © 2010 Douglas Harper

zoonotic in Medicine


[zō-ŏnə-sĭs, zō′ə-nō-]
n. pl. zo•on•o•ses (-sēz′)
  1. A disease of animals, such as rabies or psittacosis, that can be transmitted to humans.
Related formszo′o•notic (zō′ə-nŏtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.