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English definition of “interchangeable”

interchangeable

adjective uk   /ˌɪn.təˈtʃeɪn.dʒə.bl̩/ us    /-t̬ɚ-/
able to be exchanged with each other without making any difference or without being noticed: interchangeable parts The terms 'drinking problem' and 'alcohol abuse' are often interchangeable.
interchangeably
adverb uk   /-bli/ us  
(Definition of interchangeable from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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