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English definition of “interest”

interest

noun [U] (MONEY)   /ˈɪn·trəst, ˈɪn·tər·əst/
money that is charged , esp . by a bank , when you borrow money , or money that is paid to you for the use of your money : My savings account is earning 5% interest.
(Definition of interest noun (MONEY) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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