A corrosion-resistant alloy steel containing chromium and often nickel or other elements; commonly referred to as [[白铁|白鐵|bai2 tie3]].

to become rusty; to oxidize on the surface of metal

to rust away; to corrode

to prevent metal from rusting; to resist corrosion

the reddish-brown coating formed on iron or steel when it reacts with moisture and oxygen

A fungal disease affecting plants, characterized by the appearance of reddish-brown spots resembling iron rust on the leaves and stems.

marks or stains of rust found on the surface of metal objects

rust spot or rust stain on metal; rusty spot on a plant caused by disease

buildup of mineral deposits, such as lime, inside a boiler or kettle; incrustation

a fungal plant disease, specifically a type of yellow rust that causes reddish-brown spots to appear on the leaves of infected plants

tea stain on the inside of a tea pot or cup caused by long-term use; tea scale

Informal term for certain types of low-grade stainless steel that do not contain nickel, making them cheaper but less resistant to corrosion than standard stainless steel.

A blade will get rusty if it is not sharpened; a man will fall behind if he doesn't study.

A metaphor used to praise loyal and selfless contributors who work hard for the common good, famously applied to the model worker [[雷锋|雷鋒|lei2 feng1]].

the green or bluish coating that forms on the surface of copper, brass, or bronze; patina; aerugo

a layer of greenish film or oxidation that forms on the surface of copper or bronze

(bird species) a small forest bird known as the rusty-flanked treecreeper (Certhia nipalensis)

A species of bird, Ficedula erithacus.

(bird species of China) rusty-cheeked scimitar babbler (Erythrogenys erythrogenys)

(bird species of China) rusty-bellied shortwing (Brachypteryx hyperythra)

A type of fungus that causes rust disease in plants.

(bird species of China) rusty-fronted barwing (Actinodura egertoni)

To clean rust or corrosion off of metal objects

yellow rust, a type of fungal disease affecting plants like wheat and barley, characterized by yellowish pustules