columnaris disease

variants: or less commonly columnaris \ ˌkäləmˈna(a)rə̇s \
plural -es

Definition of columnaris disease

: a highly fatal disease of fingerling trout and salmon especially when concentrated in hatchery ponds that is caused by a myxobacterium (Chondrococcus columnaris)

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!

History and Etymology for columnaris disease

New Latin columnaris, specific epithet of Chondrococcus columnaris, species causing the disease, from Late Latin, columnar

Keep scrolling for more

Comments on columnaris disease

What made you want to look up columnaris disease? Please tell us where you read or heard it (including the quote, if possible).


to spread over or through

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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