noun. undefined

noun. Any of various powdery or scaly reddish-brown or reddish-yellow hydrated ferric oxides and hydroxides formed on iron and iron-containing materials by low-temperature oxidation in the presence of water.

noun. Any of various metallic coatings, especially oxides, formed by corrosion.

noun. A stain or coating resembling iron rust.

noun. Deterioration, as of ability, resulting from inactivity or neglect.

noun. undefined

noun. Rust fungus.

noun. A plant disease caused by a rust fungus, characterized by reddish or brownish spots on leaves, stems, and other parts.

noun. A strong brown.

intransitive verb. To become corroded.

intransitive verb. To deteriorate or degenerate through inactivity or neglect.

intransitive verb. To become the color of rust.

intransitive verb. To develop a disease caused by a rust fungus.

intransitive verb. To corrode or subject (a metal) to rust formation.

intransitive verb. To impair or spoil, as by misuse or inactivity.

intransitive verb. To color (something) a strong brown.

To contract or gather rust; be oxidized.

To assume an appearance of rust, or as if coated with rust.

To degenerate in idleness; become dull through inaction.

To cause to contract rust.

To impair by time and inactivity.

An obsolete variant of roost.

noun. The red or orange-yellow coating which is formed on the surface of iron when exposed to air and moisture; red oxid of iron; in an extended sense, any metallic oxid forming a coat on the metal.

noun. In metal-working, a composition of iron-filings and sal ammoniac, with sometimes a little sulphur, moistened with water and used for filling fast joints.

noun. In botany, a fungous growth on plants which resembles rust on metal; plant-disease caused by fungi of the class Uredineæ (which see, for special characterization): same as brand, 6. See Fungi, mildew, Puccinia, and Trichobasis; also black rust and red rust, below.

noun. Any foul extraneous matter; a corrosive, injurious, or disfiguring accretion.

noun. Any growth, influence, or habit tending to injure the mental or moral faculties; a habit or tendency which clogs action or usefulness; also, the state of being affected with such a habit.

noun. Rust formed on iron by exposure to air and water often approaches pretty closely in composition the mineral limonite, a ferric oxyhydroxid (Fe₄O₃(HO)₆). It also frequently contains some ferrous or ferrosoferric oxid and hydroxid, and is more or less perceptibly magnetic.

noun. The reddish yellow coating formed on iron when exposed to moist air, consisting of ferric oxide or hydroxide; hence, by extension, any metallic film of corrosion.

noun. A minute mold or fungus forming reddish or rusty spots on the leaves and stems of cereal and other grasses (Trichobasis Rubigo-vera), now usually believed to be a form or condition of the corn mildew (Puccinia graminis). As rust, it has solitary reddish spores; as corn mildew, the spores are double and blackish.

noun. That which resembles rust in appearance or effects.

noun. Foul matter arising from degeneration.

noun. Corrosive or injurious accretion or influence.

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

noun. a minute mite (Phytopius oleivorus) which, by puncturing the rind, causes the rust-colored patches on oranges.

transitive verb. To cause to contract rust; to corrode with rust; to affect with rust of any kind.

transitive verb. To impair by time and inactivity.

intransitive verb. To contract rust; to be or become oxidized.

intransitive verb. To be affected with the parasitic fungus called rust; also, to acquire a rusty appearance, as plants.

intransitive verb. To degenerate in idleness; to become dull or impaired by inaction.

noun. The deteriorated state of iron or steel as a result of moisture and oxidation.

noun. A reddish-brown color.

noun. A disease of plants caused by a reddish-brown fungus.

verb. to oxidize, especially of iron or steel.

verb. to cause to oxidize.

verb. become coated with oxide

verb. become destroyed by water, air, or a corrosive such as an acid

verb. cause to deteriorate due to the action of water, air, or an acid

noun. a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture

noun. the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water

"If GM / Chrysler go, I guarantee you that the term rust belt will take on a whole new meaning, and dimension."