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rust
[ruhst]
noun
Also called iron rust.the red or orange coating that forms on the surface of iron when exposed to air and moisture, consisting chiefly of ferric hydroxide and ferric oxide formed by oxidation.
any film or coating on metal caused by oxidation.
Synonyms:a stain resembling this coating.
any growth, habit, influence, or agency tending to injure, deteriorate, or impair the mind, character, abilities, usefulness, etc.
Plant Pathology.
any of several diseases of plants, characterized by reddish, brownish, or black pustules on the leaves, stems, etc., caused by fungi of the order Uredinales.
Also called rust fungus.a fungus causing this disease.
any of several other diseases of unknown cause, characterized by reddish-brown spots or discolorations on the affected parts.
reddish yellow, reddish brown, or yellowish red.
verb (used without object)
to become or grow rusty, as iron.
to contract rust.
to deteriorate or become impaired, as through inaction or disuse.
Synonyms: ,to become rust-colored.
verb (used with object)
to affect with rust.
to impair as if with rust.
to make rust-colored.
adjective
having the color rust.
verb phrase
(of metal pipes, machinery, etc.) to decay and become unusable through the action of rust.
to join two metal pieces, as iron pipes, by causing the joint to rust.
to develop holes, breaks, or the like, because of rust.
rust
/ ʌ /
noun
a reddish-brown oxide coating formed on iron or steel by the action of oxygen and moisture
Also called: rust fungus.plant pathol
any basidiomycetous fungus of the order Uredinales , parasitic on cereal plants, conifers, etc
any of various plant diseases characterized by reddish-brown discoloration of the leaves and stem, esp that caused by the rust fungi
a strong brown colour, sometimes with a reddish or yellowish tinge
( as adjective )
a rust carpet
any corrosive or debilitating influence, esp lack of use
verb
to become or cause to become coated with a layer of rust
to deteriorate or cause to deteriorate through some debilitating influence or lack of use
he allowed his talent to rust over the years
rust
Any of the various reddish-brown oxides of iron that form on iron and many of its alloys when they are exposed to oxygen in the presence of moisture.
Any of various basidiomycete fungi that are parasitic on plants and produce reddish or brownish spots on leaves. Rusts attack a wide variety of plants and can cause enormous damage to crops.
Any of the various plant diseases caused by these fungi.
To become corroded or oxidized.
Other 51Թ Forms
- derust verb (used with object)
- unrust verb (used with object)
- ˈܲٱ adjective
51Թ History and Origins
51Թ History and Origins
Origin of rust1
Example Sentences
Where there used to be rusting rolling stock and derelict sidings, there is now a swish shopping centre, smart restaurants and the oddly bulbous, 42-storey Belgrade Tower.
But since the lights went out more than a decade ago, its pillars have been left to gather rust.
"We didn't want it to go to rust. I expect the administrator will look for a buyer for the intellectual property assets," Mr Dissel adds.
"And the rusting metal in there is starting to leach. The iron and nickel and copper is leaching out over the rocks and it looks unsightly."
The building is decrepit, with peeling paint, rusted pipes, and crumbling toilets in each cramped cell.
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