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

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