cast iron Meaning in the Cambridge English Dictionary
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Meaning of “cast iron” in the English Dictionary

"cast iron" in British English

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cast ironnoun [U]

uk   us  
a ​type of hard ​iron that will not ​bendeasily and is made into ​shapes by being ​poured into a mould when ​melted

cast-ironadjective

uk   /ˌkɑːstˈaɪən/  us   /ˌkæstˈaɪrn/
cast-iron guarantee, alibi, etc. a ​guarantee, ​alibi, etc. that can be ​trustedcompletely: Can you give me a cast-iron ​guarantee that the ​work will be ​completed on ​time? [before noun] very ​strong: He has a cast-iron ​stomach - he can ​eat anything.
(Definition of cast iron from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"cast iron" in American English

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cast ironnoun [U]

 /ˈkæst ˈɑɪ·ərn/
a ​type of iron that is made into ​shapes by being ​poured into ​containers when ​melted: a cast-iron ​fryingpan
(Definition of cast iron from the Cambridge Academic Content Dictionary © Cambridge University Press)
Translations of “cast iron”
in Chinese (Simplified) 铸铁, 生铁…
in Turkish dökme demir, pik demir…
in Russian чугун…
in Chinese (Traditional) 鑄鐵, 生鐵…
in Polish żeliwo…
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