Quality can be found in the most mundane works of man—even within the rusting gears of a motorcycle engine.
Oxygen is an extremely reactive chemical, corroding metals, rusting iron, and fueling fires.
The crude, rusting poles are piled side-by-side in a snowdrift of steel on the floor of the Hirshhorn.
"red oxide of iron," Old English rust "rust; moral canker," related to rudu "redness," from Proto-Germanic *rusta- (cf. Frisian rust, Old High German and German rost, Middle Dutch ro(e)st), from PIE *reudh-s-to- (cf. Lithuanian rustas "brownish," rudeti "to rust;" Latin robigo, Old Church Slavonic ruzda "rust"), from root *reudh- "red" (see red (adj.1)).
As a plant disease, attested from mid-14c. Rust Belt "decayed urban industrial areas of mid-central U.S." (1984) was popularized, if not coined, by Walter Mondale's presidential campaign.
early 13c., from rust (n.). Transitive sense "cause to rust" is from 1590s. Related: Rusted; rusting.
Any of a group of parasitic fungi of the order Uredinales that are plant pathogens, especially of cereal grains, and that can produce allergy in humans when inhaled in large numbers.
Verb To become corroded or oxidized.