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Definition of Rust


  1. 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.
  2. 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.
  3. That which resembles rust in appearance or effects.
  4. A composition used in making a rust joint. See Rust joint, below.
  5. Foul matter arising from degeneration; as, rust on salted meat.
  6. Corrosive or injurious accretion or influence.
  7. To contract rust; to be or become oxidized.
  8. To be affected with the parasitic fungus called rust; also, to acquire a rusty appearance, as plants.
  9. To degenerate in idleness; to become dull or impaired by inaction.
  10. To cause to contract rust; to corrode with rust; to affect with rust of any kind.
  11. To impair by time and inactivity.

Rust Quotations

Sunday clears away the rust of the whole week. - Joseph Addison
Sunday clears away the rust of the whole week.
Joseph Addison

As iron is eaten away by rust, so the envious are consumed by their own passion.

Guilt upon the conscience, like rust upon iron, both defiles and consumes it, gnawing and creeping into it, as that does which at last eats out the very heart and substance of the metal.
Robert South

If you find the mirror of the heart dull, the rust has not been cleared from its face.

If you rest, you rust.
Helen Hayes
More "Rust" Quotations

Rust Translations

rust in Dutch is verroesten, roesten
rust in Finnish is ruoste
rust in French is rouille, se rouiller
rust in German is einrosten, verrosten
rust in Italian is arrugginire, griglia
rust in Norwegian is rust
rust in Swedish is rost, rosta
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