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English definition of “copper-bottomed”


adjective     /ˌkɒp.əˈbɒt.əmd/ US  /ˌkɑː.pɚˈbɑːt̬.əmd/
UK describes a plan , deal , or investment that can be trusted completely because it is safe and certain to succeed Safe and secureFinancial investments and the stock market having a base made of copper : a copper-bottomed saucepan Metals and metalworkingChemical elements
(Definition of copper-bottomed adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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