Etymology
Advertisement

stainless (adj.)

1580s, from stain (n.) + -less. Related: Stainlessly. Stainless steel is from 1917, a chromium-steel alloy (usually 14% chromium) used for cutlery, etc., so called because it is highly resistant to rust or tarnish.

Others are reading

Advertisement
Advertisement
Definitions of stainless
1
stainless (n.)
steel containing chromium that makes it resistant to corrosion;
Synonyms: stainless steel / chromium steel
2
stainless (adj.)
(of reputation) free from blemishes;
Synonyms: unstained / unsullied / untainted / untarnished
From wordnet.princeton.edu