white fungus
- noun
- After a few days of observing the pond, we noticed a white fungus growing on the tadpoles.
Examples
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If you see a white fungus on your fish, it's important to treat them immediately to prevent further infection.
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Only a small patch of white fungus remained on the left side of his groin.
Fiction book (1995) -
Q: The oaks in our neighborhood have a white fungus.
Blog text (10) -
The fish in the tank developed a white fungus that covered their fins and gills.
Synonyms
A water fungus that grows on fish, tadpoles, and eggs and makes white cottony patches
Surface Forms
Morphology
This is a straightforward descriptive noun phrase: 'white' (color) + 'fungus' (organism) yields a fungus that is white or appears white, so a B1 learner who knows both words can infer the basic meaning. Although the specific pathological details (infecting fish, tadpoles, eggs) are domain-specific, the core referent is transparently compositional and cross-linguistically common.
Etymology
White fungus comes from the way the disease looks: a white, cottony growth on a fish's fins or skin. The words white and fungus show that picture, so the term means 'a fungus that causes a white, cottony growth and makes the animal sick'.