boil smut

noun

Definition of boil smut

: the common smut of Indian corn caused by a fungus (Ustilago maydis) and characterized by grayish white swellings that rupture to expose a black spore mass

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History and Etymology for boil smut

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Cite this Entry

“Boil smut.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/boil%20smut. Accessed 27 Oct. 2020.

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