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English definition of “attachment”

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attachment

noun [C/U]  /əˈtætʃ·mənt/ us  
a strong feeling of being emotionally close to someone or something: [C] She had a special attachment to these students. An attachment is an extra piece of equipment that can be added to a machine: [C] computer attachments
(Definition of attachment from the Cambridge Academic Content Dictionary © Cambridge University Press)
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