infectious bronchitis

noun

Definition of infectious bronchitis

1 : a virus disease of chickens marked by inflammation of the bronchial tubes and abundant secretion of mucus interfering with respiration and causing gasping and choking that is often fatal in young birds and in adults seriously interferes with egg production — compare infectious laryngotracheitis
2 : any of various infective diseases of the bronchial tubes (as in horses or cows)

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Learn More About infectious bronchitis

Dictionary Entries Near infectious bronchitis

infectious

infectious bronchitis

infectious chlorosis

See More Nearby Entries 

Statistics for infectious bronchitis

Cite this Entry

“Infectious bronchitis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/infectious%20bronchitis. Accessed 16 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Great Words for Scrabble

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!