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Credit Card Glossary: Terms and Definitions

Confused by credit card terms?'s glossary of credit card definitions will help. From account holder to Regulation Z, we have defined the most-common and most-confusing credit card terms.

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Trailing interest

Trailing interest is the amount of interest that accrues between when a credit card bill is sent, and when payment is received. Also called "residual interest," It applies only when you carry a balance on your credit card. Consumer advocates call it an unfair practice because unless you call your issuer and ask exactly how much it will cost to pay your bill in full on the date you expect your payment to arrive, you'll still owe interest on your next bill, regardless of whether you make any more purchases with your card.