white rust


: any of various diseases of chiefly cruciferous plants caused by a fungus (genus Albugo) and marked by white spore-filled lesions
also : a fungus causing white rust

Examples of white rust in a Sentence

Recent Examples on the Web To rid your sweet potatoes of white rust, destroy the infected plants and try rotating your crops. Mariah Thomas, Good Housekeeping, 29 Mar. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'white rust.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1815, in the meaning defined above

Time Traveler
The first known use of white rust was in 1815

Dictionary Entries Near white rust

Cite this Entry

“White rust.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/white%20rust. Accessed 16 Jun. 2024.

More from Merriam-Webster on white rust

Love words? Need even more definitions?

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