A reddish-brown color.
A similar substance based on another metal (usually with qualification, such as "copper rust").
A disease of plants caused by a reddish-brown fungus.
Damage caused to stamps and album pages by a fungal infection.
The deteriorated state of iron or steel as a result of moisture and oxidation.
To (cause to) degenerate in idleness; to make or become dull or impaired by inaction.
To oxidize, especially of iron or steel.
To cause to oxidize.
To be affected with the parasitic fungus called rust.
Of a black cat or its fur, to turn rust-coloured following long periods of exposure to sunlight.
A yellow to reddish-brown dye extracted from the turmeric plant.
An Indian plant, Curcuma longa, with aromatic rhizomes, part of the ginger family (Zingiberaceae).
The pulverized rhizome of the turmeric plant, used for flavoring and to add a bright yellow color to food.