(n.) A composition used in making a rust joint. See Rust joint, below.
(n.) 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.
(n.) Corrosive or injurious accretion or influence.
(n.) Foul matter arising from degeneration; as, rust on salted meat.
(n.) That which resembles rust in appearance or effects.
(n.) 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.
(v. i.) To be affected with the parasitic fungus called rust; also, to acquire a rusty appearance, as plants.
(v. i.) To contract rust; to be or become oxidized.
(v. i.) To degenerate in idleness; to become dull or impaired by inaction.
(v. t.) To cause to contract rust; to corrode with rust; to affect with rust of any kind.
(v. t.) To impair by time and inactivity.