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Rust
01
a red or brown oxide coating on iron or steel caused by the action of oxygen and moisture
02
any of various fungi causing rust disease in plants
Grammatical Information
Animacy status
Inanimate
Composition
Simple
Uncountable
03
the formation of reddish-brown ferric oxides on iron by low-temperature oxidation in the presence of water
04
a plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi
to rust
01
to develop a reddish-brown coating, usually on metal, due to exposure to air and water over time
Intransitive
Examples
Over time, metal objects like nails can rust when exposed to air.
02
to cause a metal or material containing iron to oxidize
Transitive: to rust a metal object
Grammatical Information
Composition
Simple
Action verb
Regular
Present tense
rust
3rd person singular
rusts
Present participle
rusting
Past simple
rusted
Past participle
rusted
Examples
The rain and humidity rusted the metal fence, causing it to develop a reddish-brown coating.
rust
01
having a reddish-brown color, reminiscent of the oxidized iron tones found on rusted metal surfaces
Grammatical Information
Composition
Simple
qualitative
Superlative
rustiest
Comparative
rustier
gradable
Examples
His sweater was a cozy and fashionable rust shade.
Lexical Tree
rustless
rusty
rust
