英语词汇stainless的起源、历史背景-英语词源词典

词汇	stainless
词源	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. Entries linking to stainless stain n. 1560s, "act of staining," from stain (v.). Meaning "a stain mark, discoloration produced by foreign matter" is from 1580s. Meaning "dye used in staining" is from 1758. -less word-forming element meaning "lacking, cannot be, does not," from Old English -leas, from leas "free (from), devoid (of), false, feigned," from Proto-Germanic lausaz (cognates: Dutch -loos, German -los "-less," Old Norse lauss "loose, free, vacant, dissolute," Middle Dutch los, German los "loose, free," Gothic laus "empty, vain"), from PIE root leu- "to loosen, divide, cut apart." Related to loose and lease. updated on November 21, 2013
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stainless adj.