powdery scab
A disease of potato tubers, caused by the cercozoan Spongospora subterranea fA disease of potato tubers, caused by the cercozoan Spongospora subterranea f. sp. subterranea, and characterized by small lesions progressing to raised pustules containing a powdery mass.
Meaning
1 senses(uncountable)A disease of potato tubers, caused by the cercozoan Spongospora subterranea f. sp. subterranea, and characterized by small lesions progressing to raised pustules containing a powdery mass.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable
See also
neighbours in the dictionaryDictionary text adapted from Wiktionary (Wiktionary contributors, CC BY-SA 4.0) and Open English WordNet / Princeton WordNet (CC BY 4.0, WordNet License); shared under CC BY-SA 4.0. Example sentences and recordings are credited where they appear.