easy
Rust covered the old bike chain.
What does Rust mean?
Rust is a reddish coating that forms on metal.
Dictionary definition
A reddish-brown coating that forms on iron or steel when it reacts with air and water.
Example sentences
Rust in a sentence
medium
Water can help rust form on iron tools left outside.
hard
The science lesson explained rust as a change caused by metal reacting with oxygen and moisture.
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Quick practice
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Practice the meaning of Rust
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
What does rust mean?
Rust is the reddish-brown coating that can form on iron or steel.
Practice 2
Which word is closest in meaning to rust in science?
Corrosion is close in meaning to rust.
Practice 3
Choose the best word: The old gate had spots of ____ near the bottom.
Rust best completes the sentence.
Practice complete
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You completed 3 questions.
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Rust
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RUST
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RUST
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WordRust.
Partnoun, verb.
MeaningRust is a reddish coating that forms on metal.
ExampleExample: Rust covered the old bike chain.
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Synonyms
Words like Rust
corrosionUse for damage caused by a material reacting with its surroundings.
oxidationUse in science when a substance reacts with oxygen.
Antonyms
Opposite words
Synonym practice
Want to practice rust synonyms in context? Try a Synonym Search question like "A bit of rust covered the old bike chain," then compare close word choices. Practice rust synonyms.
Word family
Rust word family
Base word
rust
verb
rusts
Forms rust now or often.
verb
rusted
Formed rust in the past.
adjective
rusty
Covered with rust or out of practice.
Related words
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