noun
- Smut fungus causing blackish blisters on scales and leaves of onions; especially destructive to seedlings.
- synonyms: Urocystis cepulae
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). onion smut. Retrieved September 23, 2026, from http://smartdefine.org/onion_smut/definitions/1241847 |
| Chicago | WordNet. 2010. "onion smut" http://smartdefine.org/onion_smut/definitions/1241847 (accessed September 23, 2026). |
| Harvard | WordNet 2010, onion smut, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/onion_smut/definitions/1241847>. |
| MLA | WordNet. "onion smut" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/onion_smut/definitions/1241847> |