red rust

noun

Definition of red rust

1 : the uredinial stage of a rust
2 : the diseased condition produced by red rust

Examples of red rust in a Sentence

Recent Examples on the Web

Iron oxides, the same compounds that create brown and red rust, are turning icebergs emerald. David Grossman, Popular Mechanics, "Green Icebergs Could Be Secretly Feeding All Ocean Life," 7 Mar. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'red rust.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of red rust

1806, in the meaning defined at sense 1

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red sable

red sage

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The first known use of red rust was in 1806

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