American foulbrood


Definition of American foulbrood

: foulbrood of the honeybee caused by a bacterium (Paenibacillus larvae synonym Bacillus larvae) and characterized by a ropy or gummy condition of affected larvae

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!

First Known Use of American foulbrood

1909, in the meaning defined above

Keep scrolling for more

Learn More About American foulbrood

Time Traveler for American foulbrood

Time Traveler

The first known use of American foulbrood was in 1909

See more words from the same year

Dictionary Entries Near American foulbrood

American Fork

American foulbrood

American foxhound

See More Nearby Entries 

Statistics for American foulbrood

Cite this Entry

“American foulbrood.” Dictionary, Merriam-Webster, Accessed 27 Jul. 2021.

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


Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
Spell It

Can you spell these 10 commonly misspelled words?

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

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