Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “cast iron”

cast iron

noun [U]
 
 
a type of very hard ironMetals and metalworkingChemical elements
(Definition of cast iron noun from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

More Learner's Dictionary definitions for “cast iron”

Definitions of “cast iron” in other dictionaries

Word of the Day

workmanship

the skill with which something was made or done

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More