Rust
Rust Rust, n. [AS. rust; akin to D. roest, G. & Sw. rost, Icel. ry[eth]; -- named from its color, and akin to E. red. [root]113. See {Red}.] 1. (Chem.) 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. [1913 Webster]

2. (Bot.) 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. [1913 Webster]

Note: Rust is also applied to many other minute fungi which infest vegetation, such as the species of {Ustilago}, {Uredo}, and {Lecythea}. [1913 Webster]

3. That which resembles rust in appearance or effects. Specifically: (a) A composition used in making a rust joint. See {Rust joint}, below. (b) Foul matter arising from degeneration; as, rust on salted meat. (c) Corrosive or injurious accretion or influence. [1913 Webster]

Sacred truths cleared from all rust and dross of human mixtures. --Eikon Basilike. [1913 Webster]

Note: Rust is used in the formation of compounds of obvious meaning; as, rust-colored, rust-consumed, rust-eaten, and the like. [1913 Webster]

{Rust joint}, a joint made between surfaces of iron by filling the space between them with a wet mixture of cast-iron borings, sal ammoniac, and sulphur, which by oxidation becomes hard, and impervious to steam, water, etc.

{Rust mite} (Zo["o]l.), a minute mite ({Phytopius oleivorus}) which, by puncturing the rind, causes the rust-colored patches on oranges. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Synonyms:

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  • Rust — ist der Name folgender Orte: Rust (Burgenland), eine Freistadt (Stadt mit eigenem Statut) im Burgenland, Österreich Rust (Baden), eine Gemeinde im Ortenaukreis, Baden Württemberg, Deutschland Rust im Tullnerfeld, eine Katastralgemeinde der… …   Deutsch Wikipedia

  • rust — /rust/, n. 1. 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. 2. any film or coating on metal caused …   Universalium

  • rust — [rust] n. [ME < OE, akin to Ger rost < IE base * reudh ,RED] 1. 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… …   English World dictionary

  • Rust — Rust, v. i. [imp. & p. p. {Rusted}; p. pr. & vb. n. {Rusting}.] [AS. rustian.] 1. To contract rust; to be or become oxidized. [1913 Webster] If gold ruste, what shall iron do? Chaucer. [1913 Webster] Our armors now may rust. Dryden. [1913… …   The Collaborative International Dictionary of English

  • Rust — Rust, v. t. 1. To cause to contract rust; to corrode with rust; to affect with rust of any kind. [1913 Webster] Keep up your bright swords, for the dew will rust them. Shak. [1913 Webster] 2. Fig.: To impair by time and inactivity. Johnson. [1913 …   The Collaborative International Dictionary of English

  • Rust — Saltar a navegación, búsqueda Rust Ciudad de Austria Ubicación    • Latitud 47° 48 N …   Wikipedia Español

  • rust — rust; rust·i·ly; rust·i·ness; rust·proof·er; …   English syllables

  • rust — [n] corrosion blight, corruption, decay, decomposition, dilapidation, mold, oxidation, rot, wear; concepts 309,720 rust [v] corrode decay, decline, degenerate, deteriorate, oxidize, stale, tarnish, wither; concept 469 …   New thesaurus

  • rust — ► NOUN 1) a reddish or yellowish brown flaky coating of iron oxide that is formed on iron or steel by oxidation, especially in the presence of moisture. 2) a fungal disease of plants which results in reddish or brownish patches. 3) a reddish… …   English terms dictionary

  • Rust — Rust. См. Ржавчина. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) …   Словарь металлургических терминов

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