stain•lessPronunciation: (stān'lis), [key]
having no stain; spotless.
made of stainless steel.
resistant to staining, rusting, the corrosive effect of chemicals, etc.
flatware made of stainless steel.
See stainless steel.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.