SINCE 1828
Johne's bacillus
noun
Joh·ne's bacillus
| \ˈyō-ˌnēz-, -nəz-
\
\
Medical Definition of Johne's bacillus
: a bacillus of the genus Mycobacterium (M. paratuberculosis) that causes Johne's disease
Comments on Johne's bacillus
What made you want to look up Johne's bacillus? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Words from Greek and Roman Mythology Quiz
-
- Boreal comes from the name of the ancient Greek god of which wind?
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
-
Words from Greek and Roman Mythology Quiz
A mythological/etymological mashup!
Take the quiz -
Great Scrabble Words—A Quiz
Words to improve your Scrabble game
Take the quiz -
True or False?
Test your knowledge - and maybe learn something along the way.
Take the quiz -
SCRABBLE® Sprint
SCRABBLE® fans, sharpen your skills!
Play the game
Share Johne's bacillus
Resources for Johne's bacillus