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6 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 rust /ˈrʌst/
 U鐵鏽(vi.)生鏽(vt.)使生鏽解僱;裝…入袋

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 rust /ˈrəst/ 名詞
 鏽,鐵鏽,鏽色,生鏽,氧化

From: Webster's Revised Unabridged Dictionary (1913)

 Rust, v. t.
 1. 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.
 2. Fig.: To impair by time and inactivity.
 

From: Webster's Revised Unabridged Dictionary (1913)

 Rust, v. i. [imp. & p. p. Rusted; p. pr. & vb. n. Rusting.]
 1. To contract rust; to be or become oxidized.
    If gold ruste, what shall iron do?   --Chaucer.
    Our armors now may rust.   --Dryden.
 2. To be affected with the parasitic fungus called rust; also, to acquire a rusty appearance, as plants.
 3. Fig.: 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.

From: Webster's Revised Unabridged Dictionary (1913)

 Rust n.
 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.
 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.
 Note:Rust is also applied to many other minute fungi which infest vegetation, such as the species of Ustilago, Uredo, and Lecythea.
 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.
    Sacred truths cleared from all rust and dross of human mixtures.   --Eikon Basilike.
 Note:Rust is used in the formation of compounds of obvious meaning; as, rust-colored, rust-consumed, rust-eaten, and the like.
 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 Zool., a minute mite (Phytopius oleivorus) which, by puncturing the rind, causes the rust-colored patches on oranges.

From: WordNet (r) 2.0

 rust
      adj : of the color of rust [syn: rusty]
      n 1: a red or brown oxide coating on iron or steel caused by the
           action of oxygen and moisture
      2: a reddish-brown discoloration of leaves and stems caused by
         a rust fungus
      3: the formation of reddish-brown ferric oxides on iron by
         low-temperature oxidation in the presence of water [syn: rusting]
      4: any of various fungi causing rust disease in plants [syn: rust
         fungus]
      v 1: become destroyed by water, air, or an etching chemical such
           as an acid; "The metal corroded"; "The pipes rusted"
           [syn: corrode]
      2: cause to deteriorate due to the action of water, air, or an
         acid; "The acid corroded the metal"; "The steady dripping
         of water rusted the metal stopper in the sink" [syn: corrode,
          eat]
      3: become coated with oxide