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

Thomas wrote to the Cement Federation asking for a mix "that would last a thousand years", while stainless steel was chosen for some elements after discussions with the Steel Federation.

From BBC • Jun. 7, 2026

In August 2017, £660.80 was spent on a Jura glass coffee cup warmer, six Jura espresso cups and a stainless steel milk pipe, which attaches to a coffee machine.

From BBC • May 25, 2026

The same research program previously produced anti-COVID-19 stainless steel in 2021, along with ultra strong and ultra tough Super Steel in 2017 and 2020.

From Science Daily • May 10, 2026

Metals executives say nickel miners there, who get most of their sulfur from the Middle East, have started to dial back production of the metal that is used to make electric-vehicle batteries and stainless steel.

From The Wall Street Journal • May 9, 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