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rusting

 [ruhst]   Origin

rust

   [ruhst]
noun
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 by oxidation.
3.
a stain resembling this coating.
4.
any growth, habit, influence, or agency tending to injure, deteriorate, or impair the mind, character, abilities, usefulness, etc.
5.
Plant Pathology.
a.
any of several diseases of plants, characterized by reddish, brownish, or black pustules on the leaves, stems, etc., caused by fungi of the order Uredinales.
b.
Also called rust fungus. a fungus causing this disease.
c.
any of several other diseases of unknown cause, characterized by reddish-brown spots or discolorations on the affected parts.
EXPAND
6.
reddish yellow, reddish brown, or yellowish red.
COLLAPSE
verb (used without object)
7.
to become or grow rusty, as iron.
8.
to contract rust.
9.
to deteriorate or become impaired, as through inaction or disuse.
10.
to become rust-colored.

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Rusting is always a great word to know.
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a stew of meat, vegetables, potatoes, etc.
the offspring of a zebra and a donkey.
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verb (used with object)
11.
to affect with rust.
12.
to impair as if with rust.
13.
to make rust-colored.
adjective
14.
having the color rust.
Verb phrases
15.
rust out, (of metal pipes, machinery, etc.) to decay and become unusable through the action of rust.
16.
rust through, to develop holes, breaks, or the like, because of rust.
17.
rust together, to join two metal pieces, as iron pipes, by causing the joint to rust.
Origin:
before 900; (noun) Middle English; Old English rūst; cognate with German Rost; (v.) Middle English rusten, derivative of the noun; akin to red

Related forms
de·rust, verb (used with object)
un·rust, verb (used with object)

Synonyms
2. corrosion. 9. decay, decline.

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To rusting
Etymonline
Word Origin & History

rust
O.E. rust, related to rudu "redness," from P.Gmc. *rusta- (cf. Fris. rust, O.H.G., Ger. rost, M.Du. ro(e)st), from PIE *reudh-s-to- (cf. Lith. rustas "brownish," rudeti "to rust;" L. robigo, O.C.S. ruzda "rust"), from base *reudh- "red." The verb is attested from early 13c. As a plant disease, attested
EXPAND
from mid-14c. Rust Belt "dacayed urban industrial areas of mid-central U.S." (1984) was popularized, if not coined, by Walter Mondale's presidential campaign.
COLLAPSE
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

rust (rŭst)
n.
Any of a group of parasitic fungi of the order Uredinales that are plant pathogens, especially of cereal grains, and that can produce allergy in humans when inhaled in large numbers.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
rust   (rŭst)  Pronunciation Key 
Noun  

  1. 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.

    1. Any of various basidiomycete fungi that are parasitic on plants and produce reddish or brownish spots on leaves. Rusts attack a wide variety of plants and can cause enormous damage to crops.

    2. Any of the various plant diseases caused by these fungi.


Verb   To become corroded or oxidized.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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