cast-iron

adjective
Updated on: 11 Dec 2017

Definition of cast-iron

1 : made of cast iron
2 : resembling cast iron: such as
a : capable of withstanding great strain
  • a cast-iron stomach
b : not admitting change, adaptation, or exception : rigid
  • a cast-iron will

First Known Use of cast-iron

1692


cast iron

noun

Definition of cast iron

: a commercial alloy of iron, carbon, and silicon that is cast in a mold and is hard, brittle, nonmalleable, and incapable of being hammer-welded but more easily fusible than steel

Examples of cast iron in a Sentence

  1. The fence is made of cast iron.

Recent Examples of cast iron from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cast iron.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of cast iron

1664


CAST-IRON Defined for English Language Learners

cast-iron

adjective

Definition of cast-iron for English Language Learners

  • : made of cast iron

  • : very strong or tough

  • : not likely to fail or be broken


cast iron

noun

Definition of cast iron for English Language Learners

  • : a very hard type of metal that is made into different shapes by being melted and poured into special containers (called casts or molds)


CAST-IRON Defined for Kids

cast iron

noun

Definition of cast iron for Students

: a hard and brittle alloy of iron, carbon, and silicon shaped by being poured into a mold while melted


Seen and Heard

What made you want to look up cast-iron? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

allowing a liquid or gas to pass through

Get Word of the Day daily email!

Test Your Vocabulary

Star Wars Words Quiz

  • cu-jedi-training
  • The bounty portion of bounty hunters (such as Boba Fett) comes from a Latin word meaning
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!