cast iron

• Alliage dur et cassant de fer et de carbone, généralement utilisé pour fabriquer des ustensiles de cuisine, des tuyaux et des pièces de machines. Il est aussi employé au sens figuré pour décrire quelque chose d'extrêmement solide, rigide ou inébranlable.

A hard, brittle alloy of iron and carbon, typically used for making cookware, pipes, and machinery parts. Also used figuratively to describe something extremely strong, rigid, or unyielding.

1. Type of metalB2formal

   A hard, brittle alloy of iron and carbon, shaped by casting in a mold.

   fonte

   • The old bridge was made of cast iron.
   • Cast iron skillets are known for their heat retention.
   • The factory produces cast iron pipes for plumbing.

2. Strong and unyieldingB2informal

   Used figuratively to describe something that is extremely strong, rigid, or unchangeable.

   De fer

   • He has a cast-iron stomach and can eat anything.
   • The company has a cast-iron guarantee on its products.
   • Her argument was cast iron and impossible to refute.