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rust

1 of 2

noun

ˈrəst How to pronounce rust (audio)
1
a
: the reddish brittle coating formed on iron especially when chemically attacked by moist air and composed essentially of hydrated ferric oxide
b
: a comparable coating produced on a metal other than iron by corrosion
c
: something resembling rust : accretion
2
: corrosive or injurious influence or effect
3
: any of numerous destructive diseases of plants produced by fungi (order Uredinales) and characterized by usually reddish-brown pustular lesions
also : a fungus causing this
4
: a strong reddish brown

rust

2 of 2

verb

rusted; rusting; rusts

intransitive verb

1
: to form rust : become oxidized
iron rusts
2
: to degenerate especially from inaction, lack of use, or passage of time
most men would … have allowed their faculties to rust T. B. Macaulay
3
: to become reddish brown as if with rust
the leaves slowly rusted
4
: to be affected with a rust fungus

transitive verb

1
: to cause (a metal) to form rust
keep up your bright swords, for the dew will rust them William Shakespeare
2
: to impair or corrode by or as if by time, inactivity, or deleterious use
3
: to cause to become reddish brown : turn the color of rust

Example Sentences

Noun an old pump covered in rust Verb Your bicycle will rust if you leave it out in the rain. The moist air rusted the latch on the door. The old iron fence was rusted.
Recent Examples on the Web
Noun
Playing in its third road game on the season’s first four weeks, the Badin Rams didn’t show a bit of rust on another trip, easily shutting out the hosting Roger Bacon Spartans. Brendan Connelly, The Enquirer, 10 Sep. 2022 Placing red, orange, and tan hued plants around it makes a beautiful color echo with the natural rust color of the barrel. Savanna Bous, Better Homes & Gardens, 29 Aug. 2022 The lengthy spout is narrow enough to fit between the stems of plants and leaves and the plastic material prevents rust from forming. Mariah Thomas, Good Housekeeping, 24 Aug. 2022 The shelf bra tank is available in white, rust, peach, chartreuse, oatmeal, heather grey, and black; and sizes XXS—3XL. Meg Donohue, ELLE, 23 Aug. 2022 But chlorine bleach, which is found in numerous cleaning products, breaks the bonds in the chromium oxide layer, allowing oxygen to reach the steel and form iron oxide, or rust. Jeanne Huber, Washington Post, 22 Aug. 2022 So for us, just to knock some rust off and then get back to work. Ashley Bastock, cleveland, 13 Aug. 2022 The durable outdoor device is made to withstand the elements and time, designed with a rust-proof steel frame and efficient heat distribution that keeps the heater from overheating or melting. Annie Burdick, Peoplemag, 17 Aug. 2022 The shakers, dual jigger, cocktail strainer, muddler for cocktail, ice tongs, corkscrew, liquor pourers and more are all made of food-grade, rust-proof, durable stainless steel. Michael Goldstein, Forbes, 18 June 2022
Verb
This model is made of metal and plastic so, like our Best Design pick above, long-term testing will be required to determine if the metal will rust over time outdoors. Rennie Dyball, Peoplemag, 6 Sep. 2022 The frame is built from alloy steel, which is resistant to the high temperatures created by wood-burning fires, which means your fire pit won't weaken under the heat and become prone to blistering or rust. Adria Greenhauff, Better Homes & Gardens, 18 Aug. 2022 The last of the original rail bridges were closed in 1982 and left to rust, except for a 2.2-mile stretch of Old Seven that was kept open for use by fishermen, pedestrians, joggers and cyclists. Tony Perrottet, WSJ, 15 Aug. 2022 Steel wool generally isn’t made of stainless steel, so the shards can rust and turn the surface dark and dull. Jeanne Huber, Washington Post, 22 Aug. 2022 And since it's made from stainless steel, the necklace will never rust. Amanda Garrity, Good Housekeeping, 25 July 2022 In contrast to the tanks that rust on the beach below, discarded hardware reminiscent of the days when the two sides traded artillery fire, the drills have played out far away in the skies and seas. New York Times, 5 Aug. 2022 In contrast to the tanks that rust on the beach below, discarded hardware reminiscent of the days when the two sides traded artillery fire, the drills have played out far away in the skies and seas. Amy Chang Chien, BostonGlobe.com, 5 Aug. 2022 The wagon market has been flooded with choices, but many feature cheap parts that will rust or break down in a year or two. Lauren Mowery, Forbes, 31 July 2022 See More

Word History

Etymology

Noun

Middle English, from Old English rūst; akin to Old English rēad red — more at red

First Known Use

Noun

before the 12th century, in the meaning defined at sense 1a

Verb

13th century, in the meaning defined at intransitive sense 1

Time Traveler
The first known use of rust was before the 12th century

Phrases Containing rust

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