| 单词 | rust |
| 释义 | rust (once / 469 pages) 1nvadj 2n Rust is the reddish-brown stuff that forms over time on metal that's gotten wet. Your dad's beat-up old car probably has some rust on it somewhere. If you leave your bike out overnight in the rain, it'll be fine — you can dry it off the next day. If you leave it out for several rainy weeks, though, your bike will end up with rust on it. Rust appears as brown spots where the combination of water and oxygen has coated the metal with a compound that chemists call an oxide. Rust, which is also a verb, comes from a Germanic root meaning "redness." WORD FAMILYrust: rust-colored, rusted, ruster, rusting, rustless, rustly, rusts, rusty+/rusty: rustier, rustiest, rustily, rustiness USAGE EXAMPLESBut he showed no signs of rust in his 61-minute win over Evans. Seattle Times(Jan 02, 2017) She added that cities in the Rust Belt are “all looking at how immigrant integration plays a part in that revitalization of a city.” New York Times(Jan 02, 2017) Eve Valkyrie, meanwhile, is a full-blown multiplayer space combat sim, throwing the player into chaotic dogfights around the rusting hulks of dead spaceships. The Guardian(Jan 01, 2017) 1 1n a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture Hyper ferric oxide a red oxide of iron 2n the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water Syn|Hyper rusting corroding, corrosion, erosion erosion by chemical action oxidation, oxidisation, oxidizationthe process of oxidizing; the addition of oxygen to a compound with a loss of electrons; always occurs accompanied by reduction 3v become destroyed by water, air, or a corrosive such as an acid The pipes rusted Syn|Hypo|Hyper corrode corrode, eat cause to deteriorate due to the action of water, air, or an acid eat away, fret wear away or erode crumble, decay, dilapidate fall into decay or ruin 4v become coated with oxide Syn|Hyper oxidate, oxidise, oxidize add oxygen to or combine with oxygen oxidate, oxidise, oxidize enter into a combination with oxygen or become converted into an oxide 5v cause to deteriorate due to the action of water, air, or an acid The steady dripping of water rusted the metal stopper in the sink Syn|Hyper corrode, eat corrode become destroyed by water, air, or a corrosive such as an acid damage inflict damage upon 6adj of the brown color of rust 2Syn rust-brown, rusty chromatic being or having or characterized by hue 1n any of various fungi causing rust disease in plants Syn|Hypo|Hyper rust fungus Melampsora lini, flax rust, flax rust fungus fungus causing flax rust Cronartium ribicola, blister rustfungus causing white pine blister rust and having a complex life cycle requiring a plant of genus Ribes as alternate host Puccinia graminis, wheat rustrust fungus that attacks wheat Gymnosporangium juniperi-virginianae, apple rust, cedar-apple rustrust fungus causing rust spots on apples and pears etc fungus an organism of the kingdom Fungi lacking chlorophyll and feeding on organic matter; ranging from unicellular or multicellular organisms to spore-bearing syncytia 2n a plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi Hypo|Hyper blister rust, white pine blister rust, white-pine rust any of several diseases of pines caused by rust fungi of the genus Cronartium and marked by destructive invasion of bark and sapwood and producing blisters externally plant disease a disease that affects plants |
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