Rust meaning

rŭst
The color of iron rust; reddish brown or reddish yellow.
noun
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Any stain or formation resembling iron rust.
noun
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To color (something) a strong brown.
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Rust is a reddish-brown or reddish-yellow color that coats iron or steel when exposed to air and moisture.

An example of rust is what happens to the chain on a bike that's been left out in the rain all winter.

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Deterioration, as of ability, resulting from inactivity or neglect.
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To affect or be affected by a rust fungus.
verb
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To become or cause to be coated with rust, as iron.
verb
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To deteriorate or spoil, as through disuse.

A mind that has rusted.

verb
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To become or make rust-colored.
verb
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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.
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To become corroded or oxidized.
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An open source and widely praised programming language for developing system software and applications. Developed at Mozilla Research in the mid-2000s, Rust was released to the public in 2015, and its syntax evolved from OCaml, the Cyclone variant of C and C++. Rust is primarily known for its error handling and compiler safety checks that prevent a program from crashing. This is normally found in high-level languages, whereas Rust offers these safety features while providing low-level control like C and C++. See C and programming languages.
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The deteriorated state of iron or steel as a result of moisture and oxidation.

The rust on my bicycle chain made cycling to work very dangerous.

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A reddish-brown color.

noun
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A disease of plants caused by a reddish-brown fungus.
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(intransitive) To oxidize, especially of iron or steel.

The patio furniture had rusted in the wind-driven spray.

verb
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To cause to oxidize.

The wind-driven spray had thoroughly rusted the patio furniture.

verb
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(intransitive) To be affected with the parasitic fungus called rust.
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(figuratively) To degenerate in idleness; to become dull or impaired by inaction.
verb
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A strong brown.
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To become corroded.
verb
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To deteriorate or degenerate through inactivity or neglect.

My golf game has rusted from all those years of not playing.

verb
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To become the color of rust.
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(botany) To develop a disease caused by a rust fungus.
verb
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To corrode or subject (a metal) to rust formation.
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To impair or spoil, as by misuse or inactivity.
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The reddish-brown or reddish-yellow coating formed on iron or steel by oxidation, as during exposure to air and moisture: it consists mainly of ferric oxide, Fe2O3, and ferric hydroxide, Fe(OH)3
noun
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Any coating or film formed on any other metal by oxidation or corrosion.
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Any habit, influence, growth, etc. injurious to usefulness, to the mind or character, etc.
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Disuse of mental or moral powers; inactivity; idleness.
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Origin of rust

  • Middle English from Old English rūst reudh- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle English rust, rost, roust, from Old English rust, rÅ«st (“rust"), from Proto-Germanic *rustaz (“rust"), from Proto-Indo-European *rudÊ°so- (“red"), from Proto-Indo-European *h₁rewdÊ°- (“red"). Cognate with Scots roust (“rust"), Saterland Frisian rust (“rust"), West Frisian roast (“rust"), Dutch roest (“rust"), German Rost (“rust"), Danish rust (“rust"), Swedish rost (“rust"), Norwegian rust, ryst (“rust"). Related to red.

    From Wiktionary