rust stain
Iron's orange residue
A rust stain is a reddish-brown discoloration left when iron or steel oxidizes in contact with a surface.
Water carrying dissolved iron commonly leaves rust stains on sinks, toilets, and concrete: The old pipes left rust stains in the bathtub.
Rust stains are notoriously difficult to remove from fabric and porous materials.
- corrosionChemical wearing away
- oxidationLosing electrons chemically
- iron oxideFe plus oxygen
- ironElement twenty-six
- metalHard conductive solid
discoloration · bleach · bathtub · porcelain · sink · toilet bowl · reddish-brown · orange · scrub · remover · water · pipe · drip · mineral · deposit · mark · blemish · hard water
- stains
- building damagestructural collapse, cracked foundation, wall crack, bowing, sagging
- residueresidue, buildup, film, scum, grime
- fabric flawssnag, tear, hole, pilling, fray
rust staingrease stain
Fat mark on surface
ink stain · wine stain · grass stain · blood stain · coffee stain
rust stainspotless
Completely free of marks
unblemished · immaculate · untarnished · clean · gleaming
rust, stain, rusts, rusted, rusting, rusty, rustier, rustiest, rustiness