a small usually plastic card with a magnetic coded number, similar to a credit card, which is used to pay for purchases by the electronic deduction of a sum of money (a debit) directly from the card-holder's bank account. Such cards do not require the establishment of a credit line, and such transactions do not incur any interest payments.
A payment card used to make purchases or to obtain cash. The amount of a debit card purchase or withdrawal is debited from the cardholder's account immediately. Contrast with credit card and charge card.
A card which allows customers to access their funds immediately, electronically. Unlike a credit card, a debit card does not have any float.