Definition of zoonosis
: an infection or disease that is transmissible from animals to humans under natural conditions
Among the zoonoses associated with dogs, cats, and birds, those with diarrhea as a predominant manifestation include cryptosporidiosis, giardiasis, campylobacteriosis, and salmonellosis.— Peter Jesselet et al.
also
: an infection or disease that is transmissible between animals and humans
bidirectional zoonosis
— see also reverse zoonosis
Test Your Vocabulary
Name That Food
-
- Name these cookies!

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share zoonosis
Time Traveler for zoonosis
The first known use of zoonosis was in 1873
See more words from the same year