variants:
or white fungus disease
Definition of white fungus
1 : a disease of fishes caused by a fungus (Saprolegnia ferox) and characterized by a white coating of hyphae especially on peripheral parts (as fins)
2 : a disease of insects caused by a fungus of the genus Beauveria — compare calcino
Comments on white fungus
What made you want to look up white fungus? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Here Be Dragons: A Creature Identification Quiz
- Which is a synonym of werewolf?
Can you spell these 10 commonly misspelled words?
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
- Here Be Dragons: A Creature Identification Quiz Take the quiz
- Namesakes Word Quiz
When names become words and then we ask you about...
Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Add Diction
Build a chain of words by adding one letter at a ...
Play the game
Share white fungus