5 entries found for rust.
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rust[1,noun] rust[2,verb] blister rust wheat rust white-pine blister rust

Main Entry: ¹rust
Pronunciation: rst
Function: noun
1 : a reddish brittle coating formed on iron especially when chemically attacked by moist air and composed chiefly of ferric oxide
2 a : any of numerous destructive diseases of plants caused by fungi and characterized by reddish brown spots b : any of an order of fungi that cause plant rusts
3 : a reddish brown