Definition

1. Noun:
   • A type of steel alloy: "stainless steel" is a specific type of steel that contains a minimum of 10.5% chromium by mass, which gives it exceptional resistance to rust, tarnish, and corrosion compared to ordinary steel.

Usage

• "Stainless steel" is an uncountable noun. It refers to the material itself, not individual items made from it. You can refer to an object as being "made of stainless steel" or "stainless steel."
• It is commonly used to describe kitchen appliances, cutlery, surgical instruments, architectural structures, and industrial equipment due to its durability and hygienic properties.

Examples

• Noun:
  • The kitchen sink is made of stainless steel.
  • Stainless steel is preferred for medical tools because it is easy to sterilize.
  • They installed stainless steel railings on the balcony.

Advanced Usage

• "Surgical stainless steel": A specific grade of stainless steel (often 316L) used for medical implants and instruments due to its high biocompatibility and corrosion resistance.

  • The orthopedic screw is made from surgical stainless steel.

• "Stainless steel finish": Refers to the surface appearance of an object made from this material, often describing its shine and texture.

  • The refrigerator has a brushed stainless steel finish.

Variants and Related Words

• Stainless (adj): Resistant to staining or corrosion. While often used as shorthand for "stainless steel," it can describe other materials.

  • The stainless surface was easy to clean.

• Austenitic stainless steel (n phrase): The most common category of stainless steel, known for excellent corrosion resistance and formability (e.g., grades 304 and 316).

• Ferritic stainless steel (n phrase): A magnetic type of stainless steel with good corrosion resistance, often used in automotive trim.

Synonyms

• Rustless steel: A less common synonym emphasizing its non-corrosive property.
• Inox / Inox steel: A common term in many European languages, derived from the French "inoxydable" (non-oxidizable).

Related Phrases

• Stainless steel wool: A scrubbing material made from fine strands of stainless steel.

  • Use stainless steel wool to clean the grill.

• Stainless steel clad: Describes cookware where a layer of stainless steel is bonded to another metal, like aluminum, for better heat distribution.

  • This pan features a stainless steel clad construction.

Noun

1. steel containing chromium that makes it resistant to corrosion