Cast Iron Definition

kăstīərn
noun
A hard, unmalleable alloy of iron used for casting: it contains a high proportion of carbon and silicon, has low tensile strength, and is very fluid and fusible when molten.
Webster's New World
Alternative spelling of cast iron.
Wiktionary
adjective
Made of cast iron.
Webster's New World
Very hard, rigid, strong, healthy, etc.
Webster's New World
Exceptionally strong or resistant.
A cast-iron stomach.
American Heritage
Ernest has a cast-iron constitution and never gets sick.
Wiktionary
Synonyms:

Other Word Forms of Cast Iron

Noun

Singular:
cast iron
Plural:
cast irons

Origin of Cast Iron

  • Derived from the casting of this form of iron. See wrought iron for comparison

    From Wiktionary

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