Rust |
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. |
n. |
|
Rust |
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. |
Rust |
That which resembles rust in appearance or effects. |
n. |
Rust |
A composition used in making a rust joint. See Rust joint, below. |
n. |
Rust |
Foul matter arising from degeneration; as, rust on salted meat. |
n. |
|