cast iron

¹

noun

1. an alloy of iron, carbon, and other elements, cast as a soft and strong, or as a hard and brittle, iron, depending on the mixture and methods of molding.

cast-iron

²

[kast-ahy-ern, kahst-]

adjective

1. made of cast iron.

2. not subject to change or exception.

   a cast-iron rule.

3. hardy.

   a cast-iron stomach.

cast iron

noun

1. iron containing so much carbon (1.7 to 4.5 per cent) that it cannot be wrought and must be cast into shape

adjective

1. made of cast iron

2. rigid, strong, or unyielding

   a cast-iron decision

Word History and Origins

Origin of cast iron¹

1655–65; cast (past participle of cast ( def. ) ) + iron

Origin of cast iron²

First recorded in 1655–65

Example Sentences

Made In 7-piece Enameled Cast Iron Set -Enameled cast iron is a meaningful upgrade for any home cook ready to level up.

Read more on Salon

“I started off with just changing out all my cookware to cast iron, changing out my workout clothes, because all of the polyester stuff has PFAS,” she said.

Read more on The Wall Street Journal

He called on Lammy to give his "cast iron assurance" that Kebatu will be deported from the country by the end of the week.

Read more on BBC

Adjoining stores sold cast iron skillets, toys and old-fashioned candies, with rocking chairs out front for waiting customers.

Read more on The Wall Street Journal

After a several rounds of cooking with oil, carbon steel develops a naturally nonstick patina, similar to the slick surface of a well-seasoned cast iron pan.

Read more on The Wall Street Journal