the.com/cast iron

A skillet so durable it outlives marriages, mortgages, and the people who season it.

means A hard, brittle alloy of iron with a high carbon content, shaped by pouring it molten into molds — prized for cookware, machinery, and anything that needs to be heavy and unyielding; figuratively, something rigid or absolute, as in a cast-iron alibi.

from A plain compound of "cast" and "iron," describing exactly how it's made: molten iron poured (cast) into a mold to set. "Cast" comes from Old Norse "kasta," to throw or fling — the same root behind throwing dice and casting a net — which over time picked up the sense of throwing molten metal into a form. So the name is honest manufacturing shorthand. The figurative "cast-iron" — meaning unbreakable, fixed, beyond argument — borrows the metal's reputation for being rigid and tough, and grew up in the 19th century alongside the industrial age that ran on the stuff.

older than you
Cast iron pans regularly survive 100-plus years of use
self-healing
Scratched seasoning rebuilds itself with cooking and oil
iron boost
It leaches usable iron into acidic foods
thermal mass
Holds heat long after the burner dies
China first
Cast iron cookware appeared there over 2,000 years ago
for instance

le creuset — french cookware brand founded 1925, known for colorful enameled cast iron dutch ovens

lodge manufacturing — american cast iron cookware company, oldest continuously operating in the us since 1896

staub — french cast iron cookware brand founded 1974, famous for black matte enamel dutch ovens

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