stainless steel

American  

noun

1. alloy steel containing 12 percent or more chromium, so as to be resistant to rust and attack from various chemicals.

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stainless steel British  

noun

1. 1. a type of steel resistant to corrosion as a result of the presence of large amounts of chromium (12–15 per cent). The carbon content depends on the application, being 0.2–0.4 per cent for steel used in cutlery, etc, and about 1 per cent for use in scalpels and razor blades

   2. ( as modifier )

      stainless-steel cutlery

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stainless steel Scientific  

/ stān′lĭs /

1. Any of various alloys of iron that contain chromium, nickel, and small amounts of carbon. They may also contain minor amounts of other elements, such as molybdenum. Stainless steel is resistant to rusting and corrosion.

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Etymology

Origin of stainless steel

First recorded in 1915–20

Example Sentences

See Examples For:

stainless steel

Spent nuclear fuel is stored in lead and stainless steel casks and bolted into concrete at a specially built pad at Diablo.

From Los Angeles Times ● Aug. 16, 2026

The findings were published in Materials Today in a study titled "A sequential dual-passivation strategy for designing stainless steel used above water oxidation."

From Science Daily ● Aug. 11, 2026

Moving forward, the EV maker will sell just three new vehicles: the popular Model 3 and Model Y, and its low-volume stainless steel Cybertruck pickup.

From The Wall Street Journal ● Jul. 2, 2026

Nanninga said engineers have watched how stainless steel aged over the 100 years it has been in use, and he thinks the material will hold up well in this national exercise of self-storage.

From Barron's ● Jul. 2, 2026

In the kitchen, I show them the stainless steel drum that holds our primary water supply.

From "Dry" by Neal Shusterman and Jarrod Shusterman