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 light beige colour, like that of typical sand.
A beach or other expanse of sand.
A moment or interval of time; the term or extent of one's life (referring to the sand in an hourglass).
"sand in [someone's] eyes" (idiom)
Rock that is ground more finely than gravel, but is not as fine as silt (more formally, see grain sizes chart), forming beaches and deserts and also used in construction.
A sandpiper.
A particle from 62.5 microns to 2 mm in diameter, following the Wentworth scale.
To abrade the surface of (something) with sand or sandpaper in order to smooth or clean it.
To blot ink using sand.
To cover with sand.
Of a light beige colour, like that of typical sand.