rust
n 1 : the reddish brittle coating formed on iron esp. when chemically attacked by moist air and composed essentially of hydrated ferric oxide 2 : any of numerous destructive diseases of plants produced by fungi (order Uredinales) and characterized by reddish brown pustular lesions : also : a fungus causing this .
Published under license with Merriam-Webster, Incorporated. © 1997-2024.
|
|
|