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rust

rust

42 1.5
A reddish-brown flaky coating that forms on iron or steel when it touches air and water
  • noun
  • /rʌst/
translation icon : herrumbre
  • He noticed patches of rust forming on the metal fence near the garden.
  • prevent rust
  • protect against rust
  • rust resistance

That one looks cool because it's blackish or bluish and it's rust that doesn't eat the steel.

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Examples

  • Well, the rust protects it from more rust, right?

  • This is going to make sure there's no more surface rust on the blade.

  • So for some really light rust, this might be the play.

  • OK, fair bit of rust on that one there.

  • Lots of rust on both sides.

  • There was rust all over everything.

  • I imagine it lying covered with rust on the bottom of the river.

    Fiction book (1992)
  • All the rust is literally gone.

  • When salt water interacts with steel boats, a lot of rust is produced.

    Academic text (2010)
  • One of the most common and visible failures is rust bleed that occurs above the waterline.

    Academic text (1998)

Synonyms

ferric oxide
vsrust
  • Specialized
1 6.5

A red powder that forms on iron, often called rust

is the everyday name for that oxide coating rather than the technical term
rouille
vsrust
  • Canadian
8.9

A red-brown layer that forms on iron or steel when it gets wet

is the common English term for that same reddish brown coating

Compounds

9 4.9

A region of the northeastern and midwestern United States with many old factories and fewer people

2 3.0

A reddish-brown or orange-brown color like old metal

blister rust
  • Specialized
1 9.0

A disease of pine trees that makes blisters and dead patches on the bark, caused by a fungus

1 3.4

A reddish brown color like rust

bucket of rust
  • Informal
7.0

An old car or machine that is very rusty and in poor condition

cedar-apple rust
  • Specialized
9.1

A disease caused by a fungus that makes orange spots on the leaves and fruit of apple and pear trees

apple rust
  • Specialized
7.0

A disease on apple and pear trees that makes orange or brown spots

flax rust fungus
  • Specialized
8.7

A fungus that causes orange spots on flax leaves and damages plants

flax rust
  • Specialized
8.9

A plant disease that makes small orange-brown spots on flax leaves and stems

rust fungus
  • Specialized
6.5

A tiny living thing that makes red or brown spots on plants

rust inhibitor
  • Specialized
5.9

A chemical that stops rust from forming on metal

rust mite
  • Specialized
8.5

A very small animal like an insect that lives on plants and makes reddish brown spots on leaves or fruit

A brown color with a red-orange tone

wheat rust
  • Specialized
5.3

A disease caused by a fungus that makes reddish or brown spots on wheat leaves and stems and reduces harvest

white-pine rust
  • Specialized
7.8

A disease of pine trees caused by a fungus that makes blisters on the trunk and kills the wood

9.1

A disease caused by a fungus that makes blisters on the bark and weakens white pine trees

white rust
  • Specialized
6.7

A plant disease that makes a white powder appear on leaves and stems

How Rusty

pitting
  • Specialized
1 7.7
corrosion
  • Specialized
21 6.1
rust
42 1.5
rustiness
3.3

Surface Forms

rust singular
rusts plural

Etymology

Rust comes from an old German word like Rost that named the 'red-brown' flakes that eat away metal. So rust is the reddish-brown layer that forms on iron or steel when it meets air and water.