any of several parasitic fungi that grow on gooseberry bushes

Alternative form of rustbucket

A form of corrosion found on the surface of zinc / (phytopathology) A disease of some plants caused by the pathogen Albugo candida

Aceria anthocoptes, a mite of the family Eriophyidae found on Cirsium arvense, the Canada thistle. / A pink citrus rust mite (Aculops pelekassi) / A citrus rust mite (Phyllocoptruta oleivora).

(informal) A region straddling the Northeastern and East North Central United States that has undergone economic decline and population loss due to the shrinking of its once powerful industrial sector.

A joint made between surfaces of iron by filling the space between them with a wet mixture of cast-iron borings, sal ammoniac, and sulfur, which by oxidation becomes hard and impervious to steam, water, etc.

(phytopathology) A disease of wheat, in which a black, moist substance is deposited in the fissures of the grain.

To rust completely; to become covered in rust; by extension, to break down over time and cease working.

Having rusted completely; having become covered in rust; having become non-functional over time.

Third-person singular simple present indicative form of rust out