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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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Authorization only

An authorization only transaction is a transaction that is created to reserve an amount against a credit card's available limit for intended purchases; an authorization only transaction is intended for a merchant's protection, to assure that the credit card has a limit high enough to allow a transaction.