pes·ti·vi·rus | \ ˈpes-tə-ˌvī-rəs \
Medical Definition of pestivirus
1 capitalized : a genus of single-stranded RNA viruses of the family Flaviviridae that includes the causative agents of bovine viral diarrhea and hog cholera and are transmitted by direct or indirect contact especially with bodily secretions
2 : any virus of the genus Pestivirus
Test Your Vocabulary
Words of Snow and Ice Quiz
- Which of the following refers to thin, bending ice, or to the act of running over such ice?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Anagram puzzles meet word search.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Words of Snow and Ice Quiz
A selection of words from the chillier parts of t...
Take the quizName that Thing: Toys and Games Edition
It's all fun and games until someone beats your h...
Take the quizTrue or False?
Test your knowledge - and maybe learn something a...
Take the quizSCRABBLE® Sprint
SCRABBLE® fans, sharpen your skills!
Play the game
Share pestivirus