Rust

Rust (rust)
n.	(?)
Rust
[AS. rust; akin to D. roest, G. *** Sw. rost, Icel. ryð]; -- named from its color, and akin to E. red. ***radic]113. See Red.]

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.

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.

* Rust is also applied to many other minute fungi which infest vegetation, such as the species of Ustilago, Uredo, and Lecythea.

That which resembles rust in appearance or effects.

Specifically:

Rust

Rust (rust)
v. i.
Rust

To contract rust] to be or become oxidized.

If gold ruste, what shall iron do? Chaucer.

Our armors now may rust. Dryden.

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

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

Must I rust in Egypt? never more
Appear in arms, and be the chief of Greece? Dryden.

Rust

Rust (rust)
v. t.
Rust

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

Keep up your bright swords, for the dew will rust them. Shak.

To impair by time and inactivity.

Johnson.

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The dictionary's 1913 edition of the 1900 International, renamed Webster's Revised Unabridged Dictionary, has in modern times been used in various free online resources, as its copyright lapsed and it became public domain.
- Wikipedia

Rust

Rust

Rust

Why Donate?

Donate Using PayPal

Donations from Outside of the United States

Donations by Other Methods

News: strengthen

The dictionary's 1913 edition of the 1900 International, renamed Webster's Revised Unabridged Dictionary, has in modern times been used in various free online resources, as its copyright lapsed and it became public domain. - Wikipedia

Rust

Rust

Rust

Why Donate?

Donate Using PayPal

Donations from Outside of the United States

Donations by Other Methods

News: strengthen

The dictionary's 1913 edition of the 1900 International, renamed Webster's Revised Unabridged Dictionary, has in modern times been used in various free online resources, as its copyright lapsed and it became public domain.
- Wikipedia