Definitions for "Available credit"
The unused part of a credit limit; the amount of credit that can be spent
The total amount of credit remaining on your credit card account. It is the amount you may charge or transfer to that account. Your available credit equals your total credit limit minus your outstanding balance. For example, if you have a $5,000 credit limit, and your balance is $3,000, your available credit is $2,000.
The unused portion of the credit limit on an account.